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Sample records for francaise des petroles

  1. La Francaise dEoliennes | Open Energy Information

    Open Energy Info (EERE)

    Jump to: navigation, search Name: La Francaise dEoliennes Place: Maisons Laffitte, France Zip: 78600 Sector: Wind energy Product: French wind farm developer focused on...

  2. Reimagining liquid transportation fuels : sunshine to petrol.

    SciTech Connect (OSTI)

    Johnson, Terry Alan; Hogan, Roy E., Jr.; McDaniel, Anthony H.; Siegel, Nathan Phillip; Dedrick, Daniel E.; Stechel, Ellen Beth; Diver, Richard B., Jr.; Miller, James Edward; Allendorf, Mark D.; Ambrosini, Andrea; Coker, Eric Nicholas; Staiger, Chad Lynn; Chen, Ken Shuang; Ermanoski, Ivan; Kellog, Gary L.

    2012-01-01

    Two of the most daunting problems facing humankind in the twenty-first century are energy security and climate change. This report summarizes work accomplished towards addressing these problems through the execution of a Grand Challenge LDRD project (FY09-11). The vision of Sunshine to Petrol is captured in one deceptively simple chemical equation: Solar Energy + xCO{sub 2} + (x+1)H{sub 2}O {yields} C{sub x}H{sub 2x+2}(liquid fuel) + (1.5x+.5)O{sub 2} Practical implementation of this equation may seem far-fetched, since it effectively describes the use of solar energy to reverse combustion. However, it is also representative of the photosynthetic processes responsible for much of life on earth and, as such, summarizes the biomass approach to fuels production. It is our contention that an alternative approach, one that is not limited by efficiency of photosynthesis and more directly leads to a liquid fuel, is desirable. The development of a process that efficiently, cost effectively, and sustainably reenergizes thermodynamically spent feedstocks to create reactive fuel intermediates would be an unparalleled achievement and is the key challenge that must be surmounted to solve the intertwined problems of accelerating energy demand and climate change. We proposed that the direct thermochemical conversion of CO{sub 2} and H{sub 2}O to CO and H{sub 2}, which are the universal building blocks for synthetic fuels, serve as the basis for this revolutionary process. To realize this concept, we addressed complex chemical, materials science, and engineering problems associated with thermochemical heat engines and the crucial metal-oxide working-materials deployed therein. By project's end, we had demonstrated solar-driven conversion of CO{sub 2} to CO, a key energetic synthetic fuel intermediate, at 1.7% efficiency.

  3. Project PETROL RAM: improving the management of Air Force fuels operations and inventories. Master's thesis

    SciTech Connect (OSTI)

    Frederick, P.R.

    1988-09-01

    The purpose of this research was to provide a handbook on Project PETROL RAM and its ideas for enhancing the base-level fuels operations. This handbook is to serve as an introduction and reference guide to the components, characteristics, and capabilities of the proposed initiative. In preparing this handbook, available information on the structure, operations, and procedures of a typical base Fuels Management Branch was gathered, then condensed and simplified. For added depth and understanding, personal interviews with personnel involved in the design and development of this project were conducted. The research resulted in a handbook that describes, in simplified terminology, the different systems which are being developed under the Project PETROL RAM initiative.

  4. Utilisation des défibrillateurs

    ScienceCinema (OSTI)

    None

    2011-10-06

    Information faite par le service medical et le service des pompiers sur l'utilisation des defibrillateurs.

  5. Sunshine to Petrol

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Secure & Sustainable Energy Future Stationary Power Energy Conversion Efficiency Solar Energy Wind Energy Water Power Supercritical CO2 Geothermal Natural Gas Safety, Security & ...

  6. Financiere des Energies | Open Energy Information

    Open Energy Info (EERE)

    Jump to: navigation, search Name: Financiere des Energies Place: Saint Contest, France Zip: 14280 Product: Prospects for new production sites and looks for the best...

  7. Des Moines Area Community College | OSTI, US Dept of Energy Office of

    Office of Scientific and Technical Information (OSTI)

    Scientific and Technical Information Des Moines Area Community College Spotlights Home DOE Applauds Des Moines Area Community College Science and Technical Programs Des Moines Area Community College Des Moines Area Community College Des Moines, Iowa Agri/Natural Resources Biology Biomass Operations Biotechnology Environmental Science Information Technology Manufacturing Technology Microcomputers Civil Engineering Pre-Medical Telecommunications Wind Turbines Resource Links About Library

  8. Community Environmental Response Facilitation Act (CERFA) report. Fort Des Moines, Des Moines, Iowa. Final report

    SciTech Connect (OSTI)

    Young, B.; Rausch, K.; Kang, J.

    1994-04-01

    This report presents the results of the Community Environmental Response Facilitation Act (CERFA) investigation conducted by The Earth Technology Corporation (TETC) at the Fort Des Moines, a U.S. Government property selected for closure by the Base Realignment and Closure (BRAC) Commission. Under CERFA Federal agencies are required to identify real property that can be immediately reused and redeveloped. Satisfying this objective requires the identification of real property where no hazardous substances or petroleum products, regulated by the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), were stored for one year or more, known to have been released, or disposed. Fort Des Moines is a 53.28-acre site located in Polk County, Iowa, within the city limits of Des Moines. The installation's primary mission is to provide support and shelter for the U.S. Army Reserve. Activities associated with the property that have environmental significance are photographic processing, vehicle maintenance, printing, and fuel storage. TETC reviewed existing investigation documents; U.S. Environmental Protection Agency (USEPA), State, and county regulatory records; environmental data bases; and title documents pertaining to Fort Des Moines during this investigation. In addition, TETC conducted interviews and visual inspections of Fort Des Moines as well as visual inspections and data base searches for the surrounding properties. Information in this CERFA Report was current as of April 1994.

  9. Des Plaines, Illinois: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    10th congressional district.12 Registered Energy Companies in Des Plaines, Illinois Gas Technology Institute (Partnership for Advanced Residential Retrofit) NARI National...

  10. Laboratoire de Physique des Interfaces et Couches Minces LPICM...

    Open Energy Info (EERE)

    Laboratoire de Physique des Interfaces et Couches Minces (LPICM) Place: Palaiseau, France Zip: 91128 Sector: Carbon Product: Research department of the Ecole Polytechnique in...

  11. Sécurité au-delà des mythes et des croyances

    ScienceCinema (OSTI)

    None

    2011-10-06

    Présentation orale en français, support visuel en français et en anglais. La pire des failles de sécurité est l'impression de sécurité. Le décalage entre la compréhension que l?on a des technologies utilisées, et leurs potentiels réels, ainsi que l'impact potentiellement négatif qu'elles peuvent avoir sur nos vies, n'est pas toujours compris, ou pris en compte par la plupart d'entre-nous. On se contente de nos perceptions pour ne pas avoir à se confronter à la réalité... Alors qu'en est-il vraiment ? En matière de sécurité qui de l'humain ou des technologies a le contrôle ?

  12. Sécurité au-delà des mythes et des croyances

    SciTech Connect (OSTI)

    2010-06-24

    Présentation orale en français, support visuel en français et en anglais. La pire des failles de sécurité est l'impression de sécurité. Le décalage entre la compréhension que l’on a des technologies utilisées, et leurs potentiels réels, ainsi que l'impact potentiellement négatif qu'elles peuvent avoir sur nos vies, n'est pas toujours compris, ou pris en compte par la plupart d'entre-nous. On se contente de nos perceptions pour ne pas avoir à se confronter à la réalité... Alors qu'en est-il vraiment ? En matière de sécurité qui de l'humain ou des technologies a le contrôle ?

  13. West Des Moines, Iowa: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. West Des Moines is a city in Dallas County and Polk County and Warren County, Iowa. It falls...

  14. Des Moines, Washington: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    This article is a stub. You can help OpenEI by expanding it. Des Moines is a city in King County, Washington. It falls under Washington's 9th congressional district.12...

  15. A Touch of Green for Des Moines’ Sherman Hill

    Broader source: Energy.gov [DOE]

    Des Moines' Green & Main intends to intends to renovate an abandoned 1930s grocery store into a mixed-use facility with LEED Platinum certification – a prestigious badge of energy efficiency and sustainable building practices.

  16. APUI Incubateur de l Ecole des Mines de Douai | Open Energy Informatio...

    Open Energy Info (EERE)

    APUI Incubateur de l Ecole des Mines de Douai Jump to: navigation, search Name: APUI Incubateur de l'Ecole des Mines de Douai Place: France Sector: Services Product: General...

  17. Simulations of the OzDES AGN reverberation mapping project

    SciTech Connect (OSTI)

    King, Anthea L.; Martini, Paul; Davis, Tamara M.; Denney, K. D.; Kochanek, C. S.; Peterson, Bradley M.; Skielboe, Andreas; Vestergaard, Marianne; Huff, Eric; Watson, Darach; Banerji, Manda; McMahon, Richard; Sharp, Rob; Lidman, C.

    2015-08-26

    As part of the Australian spectroscopic dark energy survey (OzDES) we are carrying out a large-scale reverberation mapping study of ~500 quasars over five years in the 30 deg2 area of the Dark Energy Survey (DES) supernova fields. These quasars have redshifts ranging up to 4 and have apparent AB magnitudes between 16.8 mag < r < 22.5 mag. The aim of the survey is to measure time lags between fluctuations in the quasar continuum and broad emission-line fluxes of individual objects in order to measure black hole masses for a broad range of active galactic nuclei (AGN) and constrain the radius–luminosity (R–L) relationship. Here we investigate the expected efficiency of the OzDES reverberation mapping campaign and its possible extensions. We expect to recover lags for ~35–45 % of the quasars. AGN with shorter lags and greater variability are more likely to yield a lag measurement, and objects with lags ≲6 months or ~1 yr are expected to be recovered the most accurately. The baseline OzDES reverberation mapping campaign is predicted to produce an unbiased measurement of the R–L relationship parameters for Hβ, MgIIλ2798, and C IVλ1549. As a result, extending the baseline survey by either increasing the spectroscopic cadence, extending the survey season, or improving the emission-line flux measurement accuracy will significantly improve the R–L parameter constraints for all broad emission lines.

  18. The DES Science Verification Weak Lensing Shear Catalogs

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Jarvis, M.

    2016-05-01

    We present weak lensing shear catalogs for 139 square degrees of data taken during the Science Verification (SV) time for the new Dark Energy Camera (DECam) being used for the Dark Energy Survey (DES). We describe our object selection, point spread function estimation and shear measurement procedures using two independent shear pipelines, IM3SHAPE and NGMIX, which produce catalogs of 2.12 million and 3.44 million galaxies respectively. We also detail a set of null tests for the shear measurements and find that they pass the requirements for systematic errors at the level necessary for weak lensing science applications using the SVmore » data. Furthermore, we discuss some of the planned algorithmic improvements that will be necessary to produce sufficiently accurate shear catalogs for the full 5-year DES, which is expected to cover 5000 square degrees.« less

  19. The DES Science Verification Weak Lensing Shear Catalogs

    SciTech Connect (OSTI)

    Jarvis, M.

    2015-07-20

    We present weak lensing shear catalogs for 139 square degrees of data taken during the Science Verification (SV) time for the new Dark Energy Camera (DECam) being used for the Dark Energy Survey (DES). We describe our object selection, point spread function estimation and shear measurement procedures using two independent shear pipelines, IM3SHAPE and NGMIX, which produce catalogs of 2.12 million and 3.44 million galaxies respectively. We also detail a set of null tests for the shear measurements and find that they pass the requirements for systematic errors at the level necessary for weak lensing science applications using the SV data. Furthermore, we discuss some of the planned algorithmic improvements that will be necessary to produce sufficiently accurate shear catalogs for the full 5-year DES, which is expected to cover 5000 square degrees.

  20. Partager : des technologies de pointe au service de la société

    ScienceCinema (OSTI)

    None

    2011-10-06

    Médecine, climatologie, métrologie et informatique, les techniques utilisées par le LHC trouvent déjà des répercussions dans d?autres domaines scientifiques. Utilisant des techniques inédites, la physique des particules en fait bénéficier la société toute entière.

  1. Simulations of the OzDES AGN reverberation mapping project

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    King, Anthea L.; Martini, Paul; Davis, Tamara M.; Denney, K. D.; Kochanek, C. S.; Peterson, Bradley M.; Skielboe, Andreas; Vestergaard, Marianne; Huff, Eric; Watson, Darach; et al

    2015-08-26

    As part of the Australian spectroscopic dark energy survey (OzDES) we are carrying out a large-scale reverberation mapping study of ~500 quasars over five years in the 30 deg2 area of the Dark Energy Survey (DES) supernova fields. These quasars have redshifts ranging up to 4 and have apparent AB magnitudes between 16.8 mag < r < 22.5 mag. The aim of the survey is to measure time lags between fluctuations in the quasar continuum and broad emission-line fluxes of individual objects in order to measure black hole masses for a broad range of active galactic nuclei (AGN) and constrainmore » the radius–luminosity (R–L) relationship. Here we investigate the expected efficiency of the OzDES reverberation mapping campaign and its possible extensions. We expect to recover lags for ~35–45 % of the quasars. AGN with shorter lags and greater variability are more likely to yield a lag measurement, and objects with lags ≲6 months or ~1 yr are expected to be recovered the most accurately. The baseline OzDES reverberation mapping campaign is predicted to produce an unbiased measurement of the R–L relationship parameters for Hβ, MgIIλ2798, and C IVλ1549. As a result, extending the baseline survey by either increasing the spectroscopic cadence, extending the survey season, or improving the emission-line flux measurement accuracy will significantly improve the R–L parameter constraints for all broad emission lines.« less

  2. QER SECOND INSTALLMENT REGIONAL MEETING--DES MOINES, IOWA | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Energy DES MOINES, IOWA QER SECOND INSTALLMENT REGIONAL MEETING--DES MOINES, IOWA MEETING DATE AND LOCATION Friday, May 6, 2016 Doors open: 8:00 AM, Program begins: 8:30 AM State Historical Building 600 East Locust Street Des Moines, IA 50319 Watch the May 6th Des Moines regional meeting here. MEETING INFORMATION The Quadrennial Energy Review Task Force will host a public stakeholder meeting on the second installment of the Quadrennial Energy Review (QER), an integrated study of the U.S.

  3. CMB lensing tomography with the DES Science Verification galaxies

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Giannantonio, T.

    2016-01-07

    We measure the cross-correlation between the galaxy density in the Dark Energy Survey (DES) Science Verification data and the lensing of the cosmic microwave background (CMB) as reconstructed with the Planck satellite and the South Pole Telescope (SPT). When using the DES main galaxy sample over the full redshift range 0.2 < zphot < 1.2, a cross-correlation signal is detected at 6σ and 4σ with SPT and Planck respectively. We then divide the DES galaxies into five photometric redshift bins, finding significant (>2σ) detections in all bins. Comparing to the fiducial Planck cosmology, we find the redshift evolution of themore » signal matches expectations, although the amplitude is consistently lower than predicted across redshift bins. We test for possible systematics that could affect our result and find no evidence for significant contamination. Finally, we demonstrate how these measurements can be used to constrain the growth of structure across cosmic time. We find the data are fit by a model in which the amplitude of structure in the z < 1.2 universe is 0.73 ± 0.16 times as large as predicted in the LCDM Planck cosmology, a 1.7σ deviation.« less

  4. Cosmology from Cosmic Shear with DES Science Verification Data

    SciTech Connect (OSTI)

    Abbott, T.

    2015-07-20

    We present the first constraints on cosmology from the Dark Energy Survey (DES), using weak lensing measurements from the preliminary Science Verification (SV) data. We use 139 square degrees of SV data, which is less than 3% of the full DES survey area. Using cosmic shear 2-point measurements over three redshift bins we find ?8(m=0.3)0.5 = 0:81 0:06 (68% confidence), after marginalising over 7 systematics parameters and 3 other cosmological parameters. Furthermore, we examine the robustness of our results to the choice of data vector and systematics assumed, and find them to be stable. About 20% of our error bar comes from marginalising over shear and photometric redshift calibration uncertainties. The current state-of-the-art cosmic shear measurements from CFHTLenS are mildly discrepant with the cosmological constraints from Planck CMB data. Our results are consistent with both datasets. Our uncertainties are ~30% larger than those from CFHTLenS when we carry out a comparable analysis of the two datasets, which we attribute largely to the lower number density of our shear catalogue. We investigate constraints on dark energy and find that, with this small fraction of the full survey, the DES SV constraints make negligible impact on the Planck constraints. The moderate disagreement between the CFHTLenS and Planck values of ?8(?m=0.3)0.5 is present regardless of the value of w.

  5. Superfund Record of Decision (EPA Region 7): Des Moines TCE Site, Operable Unit 3, Des Moines, IA. (Second remedial action), September 1992. Final report

    SciTech Connect (OSTI)

    Not Available

    1992-09-18

    The Des Moines TCE site is located southwest of downtown Des Moines, Polk County, Iowa. Land use in the area is predominantly industrial and commercial, and part of the site lies within the floodplain of the Raccoon River. Water from the Des Moines Water Works north infiltration gallery was found to be contaminated with trichloroethylene (TCE), dichloroethylene (DCE), and vinyl chloride at levels above accepted drinking water standards. The ROD addresses OU3, which encompasses potential sources of ground water contamination in an area north of the Raccoon River. The selected remedial action for OU3 includes no action with periodic groundwater monitoring.

  6. A DES ASIC Suitable for Network Encryption at 10 Gbps and Beyond

    SciTech Connect (OSTI)

    Gass, Karl; Pierson, Lyndon G.; Robertson, Perry J.; Wilcox, D. Craig; Witzke, Edward L.

    1999-04-30

    The Sandia National Laboratories (SNL) Data Encryption Standard (DES) Application Specific Integrated Circuit (ASIC) is the fastest known implementation of the DES algorithm as defined in the Federal Information Processing Standards (FIPS) Publication 46-2. DES is used for protecting data by cryptographic means. The SNL DES ASIC, over 10 times faster than other currently available DES chips, is a high-speed, filly pipelined implementation offering encryption, decryption, unique key input, or algorithm bypassing on each clock cycle. Operating beyond 105 MHz on 64 bit words, this device is capable of data throughputs greater than 6.7 Billion bits per second (tester limited). Simulations predict proper operation up to 9.28 Billion bits per second. In low frequency, low data rate applications, the ASIC consumes less that one milliwatt of power. The device has features for passing control signals synchronized to throughput data. Three SNL DES ASICS may be easily cascaded to provide the much greater security of triple-key, triple-DES.

  7. After 105 Years, Historic City Hall in West Des Moines, Iowa...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    ... credit: Vicky Saylor EECBG Success Story: After 105 Years, Historic City Hall in West Des Moines, Iowa Goes Green Using money from the Energy Efficiency Block Grant Program, St. ...

  8. Explorer : des clés pour mieux comprendre la matière

    ScienceCinema (OSTI)

    None

    2011-10-06

    Le LHC va-t-il bouleverser les théories de l'infiniment petit ? Les physiciens aimeraient que l'accélérateur fasse trembler le modèle standard. Cette théorie des particules élémentaires et des forces laisse de nombreuses zones d'ombre. Le LHC et ses expériences ont été conçus pour les éclairer.

  9. Cosmic Shear Measurements with DES Science Verification Data

    SciTech Connect (OSTI)

    Becker, M. R.

    2015-07-20

    We present measurements of weak gravitational lensing cosmic shear two-point statistics using Dark Energy Survey Science Verification data. We demonstrate that our results are robust to the choice of shear measurement pipeline, either ngmix or im3shape, and robust to the choice of two-point statistic, including both real and Fourier-space statistics. Our results pass a suite of null tests including tests for B-mode contamination and direct tests for any dependence of the two-point functions on a set of 16 observing conditions and galaxy properties, such as seeing, airmass, galaxy color, galaxy magnitude, etc. We use a large suite of simulations to compute the covariance matrix of the cosmic shear measurements and assign statistical significance to our null tests. We find that our covariance matrix is consistent with the halo model prediction, indicating that it has the appropriate level of halo sample variance. We also compare the same jackknife procedure applied to the data and the simulations in order to search for additional sources of noise not captured by the simulations. We find no statistically significant extra sources of noise in the data. The overall detection significance with tomography for our highest source density catalog is 9.7σ. Cosmological constraints from the measurements in this work are presented in a companion paper (DES et al. 2015).

  10. EECBG Success Story: After 105 Years, Historic City Hall in West Des Moines, Iowa Goes Green

    Broader source: Energy.gov [DOE]

    The city of West Des Moines, Iowa is used funding to renovate the Historic City Hall building located in Valley Junction, including the installation of four geothermal heating wells, a rooftop covered with vegetation, solar panels and permeable pavers to allow stormwater through to the soil below. Learn more.

  11. DES13S2cmm: The first superluminous supernova from the Dark Energy Survey

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Papadopoulos, A.; Plazas, A. A.; D"Andrea, C. B.; Sullivan, M.; Nichol, R. C.; Barbary, K.; Biswas, R.; Brown, P. J.; Covarrubias, R. A.; Finley, D. A.; et al

    2015-03-23

    We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES). We briefly discuss the data and search algorithm used to find this event in the first year of DES operations, and outline the spectroscopic data obtained from the European Southern Observatory (ESO) Very Large Telescope to confirm its redshift (z = 0.663 ± 0.001 based on the host-galaxy emission lines) and likely spectral type (type I). Using this redshift, we find MpeakU = –21.05+0.10–0.09 for the peak, rest-frame U-band absolute magnitude, and find DES13S2cmm to be located in a faint, low-metallicity (sub-solar), low stellar-mass hostmore » galaxy (log(M/M⊙) = 9.3 ± 0.3), consistent with what is seen for other SLSNe-I. We compare the bolometric light curve of DES13S2cmm to fourteen similarly well-observed SLSNe-I in the literature and find it possesses one of the slowest declining tails (beyond +30 days rest frame past peak), and is the faintest at peak. Moreover, we find the bolometric light curves of all SLSNe-I studied herein possess a dispersion of only 0.2–0.3 magnitudes between +25 and +30 days after peak (rest frame) depending on redshift range studied; this could be important for ‘standardising’ such supernovae, as is done with the more common type Ia. We fit the bolometric light curve of DES13S2cmm with two competing models for SLSNe-I – the radioactive decay of ⁵⁶Ni, and a magnetar – and find that while the magnetar is formally a better fit, neither model provides a compelling match to the data. Although we are unable to conclusively differentiate between these two physical models for this particular SLSN-I, further DES observations of more SLSNe-I should break this degeneracy, especially if the light curves of SLSNe-I can be observed beyond 100 days in the rest frame of the supernova.« less

  12. DES13S2cmm: The first superluminous supernova from the Dark Energy Survey

    SciTech Connect (OSTI)

    Papadopoulos, A.; Plazas, A. A.; D"Andrea, C. B.; Sullivan, M.; Nichol, R. C.; Barbary, K.; Biswas, R.; Brown, P. J.; Covarrubias, R. A.; Finley, D. A.; Fischer, J. A.; Foley, R. J.; Goldstein, D.; Gupta, R. R.; Kessler, R.; Kovacs, E.; Kuhlmann, S. E.; Lidman, C.; March, M.; Nugent, P. E.; Sako, M.; Smith, R. C.; Spinka, H.; Wester, W.; Abbott, T. M. C.; Abdalla, F.; Allam, S. S.; Banerji, M.; Bernstein, J. P.; Bernstein, R. A.; Carnero, A.; da Costa, L. N.; DePoy, D. L.; Desai, S.; Diehl, H. T.; Eifler, T.; Evrard, A. E.; Flaugher, B.; Frieman, J. A.; Gerdes, D.; Gruen, D.; Honscheid, K.; James, D.; Kuehn, K.; Kuropatkin, N.; Lahav, O.; Maia, M. A. G.; Makler, M.; Marshall, J. L.; Merritt, K. W.; Miller, C. J.; Miquel, R.; Ogando, R.; Roe, N. A.; Romer, A. K.; Rykoff, E.; Sanchez, E.; Santiago, B. X.; Scarpine, V.; Schubnell, M.; Sevilla, I.; Soares-Santos, M.; Suchyta, E.; Swanson, M.; Tarle, G.; Thaler, J.; Tucker, L. D.; Wechsler, R. H.; Zuntz, J.

    2015-03-23

    We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES). We briefly discuss the data and search algorithm used to find this event in the first year of DES operations, and outline the spectroscopic data obtained from the European Southern Observatory (ESO) Very Large Telescope to confirm its redshift (z = 0.663 ± 0.001 based on the host-galaxy emission lines) and likely spectral type (type I). Using this redshift, we find MpeakU = –21.05+0.10–0.09 for the peak, rest-frame U-band absolute magnitude, and find DES13S2cmm to be located in a faint, low-metallicity (sub-solar), low stellar-mass host galaxy (log(M/M⊙) = 9.3 ± 0.3), consistent with what is seen for other SLSNe-I. We compare the bolometric light curve of DES13S2cmm to fourteen similarly well-observed SLSNe-I in the literature and find it possesses one of the slowest declining tails (beyond +30 days rest frame past peak), and is the faintest at peak. Moreover, we find the bolometric light curves of all SLSNe-I studied herein possess a dispersion of only 0.2–0.3 magnitudes between +25 and +30 days after peak (rest frame) depending on redshift range studied; this could be important for ‘standardising’ such supernovae, as is done with the more common type Ia. We fit the bolometric light curve of DES13S2cmm with two competing models for SLSNe-I – the radioactive decay of ⁵⁶Ni, and a magnetar – and find that while the magnetar is formally a better fit, neither model provides a compelling match to the data. Although we are unable to conclusively differentiate between these two physical models for this particular SLSN-I, further DES observations of more SLSNe-I should break this degeneracy, especially if the light curves of SLSNe-I can be observed beyond 100 days in the rest frame of the supernova.

  13. DES13S2cmm: The first superluminous supernova from the dark energy survey

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Papadopoulos, A.; D'Andrea, C. B.; Sullivan, M.; Nichol, R. C.; Barbary, K.; Biswas, R.; Brown, P. J.; Covarrubias, R. A.; Finley, D. A.; Fischer, J. A.; et al

    2015-03-23

    We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES). We briefly discuss the data and search algorithm used to find this event in the first year of DES operations, and outline the spectroscopic data obtained from the European Southern Observatory (ESO) Very Large Telescope to confirm its redshift (z = 0.663 0.001 based on the host-galaxy emission lines) and likely spectral type (type I). Using this redshift, we find MUpeak = -21.05????-0.09 for the peak, rest-frame U-band absolute magnitude, and find DES13S2cmm to be located in a faint, low metallicity (sub-solar), low stellar-massmorehost galaxy (log(M/M_sun) = 9.3 0.3); consistent with what is seen for other SLSNe-I. We compare the bolometric light curve of DES13S2cmm to fourteen similarly well-observed SLSNe-I in the literature and find it possesses one of the slowest declining tails (beyond +30 days rest frame past peak), and is the faintest at peak. Moreover, we find the bolometric light curves of all SLSNe-I studied herein possess a dispersion of only 0.2-0.3 magnitudes between +25 and +30 days after peak (rest frame) depending on redshift range studied; this could be important for 'standardising' such supernovae, as is done with the more common type Ia. We fit the bolometric light curve of DES13S2cmm with two competing models for SLSNe-I - the radioactive decay of ??Ni, and a magnetar - and find that while the magnetar is formally a better fit, neither model provides a compelling match to the data. Although we are unable to conclusively differentiate between these two physical models for this particular SLSN-I, further DES observations of more SLSNe-I should break this degeneracy, especially if the light curves of SLSNe-I can be observed beyond 100 days in the rest frame of the supernova.less

  14. DES13S2cmm: The first superluminous supernova from the Dark Energy Survey

    SciTech Connect (OSTI)

    Papadopoulos, A.; Plazas, A. A.; D"Andrea, C. B.; Sullivan, M.; Nichol, R. C.; Barbary, K.; Biswas, R.; Brown, P. J.; Covarrubias, R. A.; Finley, D. A.; Fischer, J. A.; Foley, R. J.; Goldstein, D.; Gupta, R. R.; Kessler, R.; Kovacs, E.; Kuhlmann, S. E.; Lidman, C.; March, M.; Nugent, P. E.; Sako, M.; Smith, R. C.; Spinka, H.; Wester, W.; Abbott, T. M. C.; Abdalla, F.; Allam, S. S.; Banerji, M.; Bernstein, J. P.; Bernstein, R. A.; Carnero, A.; da Costa, L. N.; DePoy, D. L.; Desai, S.; Diehl, H. T.; Eifler, T.; Evrard, A. E.; Flaugher, B.; Frieman, J. A.; Gerdes, D.; Gruen, D.; Honscheid, K.; James, D.; Kuehn, K.; Kuropatkin, N.; Lahav, O.; Maia, M. A. G.; Makler, M.; Marshall, J. L.; Merritt, K. W.; Miller, C. J.; Miquel, R.; Ogando, R.; Roe, N. A.; Romer, A. K.; Rykoff, E.; Sanchez, E.; Santiago, B. X.; Scarpine, V.; Schubnell, M.; Sevilla, I.; Soares-Santos, M.; Suchyta, E.; Swanson, M.; Tarle, G.; Thaler, J.; Tucker, L. D.; Wechsler, R. H.; Zuntz, J.

    2015-03-23

    We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES). We briefly discuss the data and search algorithm used to find this event in the first year of DES operations, and outline the spectroscopic data obtained from the European Southern Observatory (ESO) Very Large Telescope to confirm its redshift (z = 0.663 0.001 based on the host-galaxy emission lines) and likely spectral type (type I). Using this redshift, we find MpeakU = 21.05+0.100.09 for the peak, rest-frame U-band absolute magnitude, and find DES13S2cmm to be located in a faint, low-metallicity (sub-solar), low stellar-mass host galaxy (log(M/M?) = 9.3 0.3), consistent with what is seen for other SLSNe-I. We compare the bolometric light curve of DES13S2cmm to fourteen similarly well-observed SLSNe-I in the literature and find it possesses one of the slowest declining tails (beyond +30 days rest frame past peak), and is the faintest at peak. Moreover, we find the bolometric light curves of all SLSNe-I studied herein possess a dispersion of only 0.20.3 magnitudes between +25 and +30 days after peak (rest frame) depending on redshift range studied; this could be important for standardising such supernovae, as is done with the more common type Ia. We fit the bolometric light curve of DES13S2cmm with two competing models for SLSNe-I the radioactive decay of ??Ni, and a magnetar and find that while the magnetar is formally a better fit, neither model provides a compelling match to the data. Although we are unable to conclusively differentiate between these two physical models for this particular SLSN-I, further DES observations of more SLSNe-I should break this degeneracy, especially if the light curves of SLSNe-I can be observed beyond 100 days in the rest frame of the supernova.

  15. Redshift Distributions of Galaxies in the DES Science Verification Shear Catalogue and Implications for Weak Lensing

    SciTech Connect (OSTI)

    Bonnett, C.

    2015-07-21

    We present photometric redshift estimates for galaxies used in the weak lensing analysis of the Dark Energy Survey Science Verification (DES SV) data. Four model- or machine learning-based photometric redshift methods { annz2, bpz calibrated against BCC-U fig simulations, skynet, and tpz { are analysed. For training, calibration, and testing of these methods, we also construct a catalogue of spectroscopically confirmed galaxies matched against DES SV data. The performance of the methods is evalu-ated against the matched spectroscopic catalogue, focusing on metrics relevant for weak lensing analyses, with additional validation against COSMOS photo-zs. From the galaxies in the DES SV shear catalogue, which have mean redshift 0.72 0.01 over the range 0:3 < z < 1:3, we construct three tomographic bins with means of z = {0.45; 0.67,1.00g}. These bins each have systematic uncertainties ?z ? 0.05 in the mean of the fiducial skynet photo-z n(z). We propagate the errors in the redshift distributions through to their impact on cosmological parameters estimated with cosmic shear, and find that they cause shifts in the value of ?8 of approx. 3%. This shift is within the one sigma statistical errors on ?8 for the DES SV shear catalog. We also found that further study of the potential impact of systematic differences on the critical surface density, ?crit, contained levels of bias safely less than the statistical power of DES SV data. We recommend a final Gaussian prior for the photo-z bias in the mean of n(z) of width 0:05 for each of the three tomographic bins, and show that this is a sufficient bias model for the corresponding cosmology analysis.

  16. Cross-correlation of gravitational lensing from DES Science Verification data with SPT and Planck lensing

    SciTech Connect (OSTI)

    Kirk, D.; et al.

    2015-12-14

    We measure the cross-correlation between weak lensing of galaxy images and of the cosmic microwave background (CMB). The effects of gravitational lensing on different sources will be correlated if the lensing is caused by the same mass fluctuations. We use galaxy shape measurements from 139 deg$^{2}$ of the Dark Energy Survey (DES) Science Verification data and overlapping CMB lensing from the South Pole Telescope (SPT) and Planck. The DES source galaxies have a median redshift of $z_{\\rm med} {\\sim} 0.7$, while the CMB lensing kernel is broad and peaks at $z{\\sim}2$. The resulting cross-correlation is maximally sensitive to mass fluctuations at $z{\\sim}0.44$. Assuming the Planck 2015 best-fit cosmology, the amplitude of the DES$\\times$SPT cross-power is found to be $A = 0.88 \\pm 0.30$ and that from DES$\\times$Planck to be $A = 0.86 \\pm 0.39$, where $A=1$ corresponds to the theoretical prediction. These are consistent with the expected signal and correspond to significances of $2.9 \\sigma$ and $2.2 \\sigma$ respectively. We demonstrate that our results are robust to a number of important systematic effects including the shear measurement method, estimator choice, photometric redshift uncertainty and CMB lensing systematics. Significant intrinsic alignment of galaxy shapes would increase the cross-correlation signal inferred from the data; we calculate a value of $A = 1.08 \\pm 0.36$ for DES$\\times$SPT when we correct the observations with a simple IA model. With three measurements of this cross-correlation now existing in the literature, there is not yet reliable evidence for any deviation from the expected LCDM level of cross-correlation, given the size of the statistical uncertainties and the significant impact of systematic errors, particularly IAs. We provide forecasts for the expected signal-to-noise of the combination of the five-year DES survey and SPT-3G.

  17. Mapping and Simulating Systematics Due to Spatially-Varying Observing Conditions in DES Science Verification Data

    SciTech Connect (OSTI)

    Leistedt, B.

    2015-07-20

    Spatially-varying depth and characteristics of observing conditions, such as seeing, airmass, or sky background, are major sources of systematic uncertainties in modern galaxy survey analyses, in particular in deep multi-epoch surveys. We present a framework to extract and project these sources of systematics onto the sky, and apply it to the Dark Energy Survey (DES) to map the observing conditions of the Science Verification (SV) data. The resulting distributions and maps of sources of systematics are used in several analyses of DES SV to perform detailed null tests with the data, and also to incorporate systematics in survey simulations. We illustrate the complementarity of these two approaches by comparing the SV data with the BCC-UFig, a synthetic sky catalogue generated by forward-modelling of the DES SV images. We then analyse the BCC-UFig simulation to construct galaxy samples mimicking those used in SV galaxy clustering studies. We show that the spatially-varying survey depth imprinted in the observed galaxy densities and the redshift distributions of the SV data are successfully reproduced by the simulation and well-captured by the maps of observing conditions. The combined use of the maps, the SV data and the BCC-UFig simulation allows us to quantify the impact of spatial systematics on N(z), the redshift distributions inferred using photometric redshifts. We conclude that spatial systematics in the SV data are mainly due to seeing fluctuations and are under control in current clustering and weak lensing analyses. However, they will need to be carefully characterised in upcoming phases of DES in order to avoid biasing the inferred cosmological results. The framework presented is relevant to all multi-epoch surveys, and will be essential for exploiting future surveys such as the Large Synoptic Survey Telescope, which will require detailed null-tests and realistic end-to-end image simulations to correctly interpret the deep, high-cadence observations of the

  18. Photometric redshifts and clustering of emission line galaxies selected jointly by DES and eBOSS

    SciTech Connect (OSTI)

    Jouvel, S.; et al.

    2015-09-23

    We present the results of the first test plates of the extended Baryon Oscillation Spectroscopic Survey. This paper focuses on the emission line galaxies (ELG) population targetted from the Dark Energy Survey (DES) photometry. We analyse the success rate, efficiency, redshift distribution, and clustering properties of the targets. From the 9000 spectroscopic redshifts targetted, 4600 have been selected from the DES photometry. The total success rate for redshifts between 0.6 and 1.2 is 71\\% and 68\\% respectively for a bright and faint, on average more distant, samples including redshifts measured from a single strong emission line. We find a mean redshift of 0.8 and 0.87, with 15 and 13\\% of unknown redshifts respectively for the bright and faint samples. In the redshift range 0.6DES photometric redshifts and find that the outlier fraction can be reduced using a comparison between template fitting and neural network, or using a random forest algorithm.

  19. OzDES multifibre spectroscopy for the Dark Energy Survey: First-year operation and results

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Yuan, Fang; Plazas, A. A.; Lidman, C.; Davis, T. M.; Childress, M.; Abdalla, F. B.

    2015-07-29

    OzDES is a five-year, 100-night, spectroscopic survey on the Anglo-Australian Telescope, whose primary aim is to measure redshifts of approximately 2,500 Type Ia supernovae host galaxies over the redshift range 0.1 morehelp calibrate photometric redshifts. Here we present an overview of the OzDES program and our first-year results. Between Dec 2012 and Dec 2013, we observed over 10,000 objects and measured more than 6,000 redshifts. Our strategy of retargeting faint objects across many observing runs has allowed us to measure redshifts for galaxies as faint as mr = 25 mag. We outline our target selection and observing strategy, quantify the redshift success rate for different types of targets, and discuss the implications for our main science goals. Finally, we highlight a few interesting objects as examples of the fortuitous yet not totally unexpected discoveries that can come from such a large spectroscopic survey.less

  20. OzDES multifibre spectroscopy for the Dark Energy Survey: First-year operation and results

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Yuan, Fang

    2015-07-29

    The Australian Dark Energy Survey (OzDES) is a five-year, 100-night, spectroscopic survey on the Anglo-Australian Telescope, whose primary aim is to measure redshifts of approximately 2500 Type Ia supernovae host galaxies over the redshift range 0.1 < z < 1.2, and derive reverberation-mapped black hole masses for approximately 500 active galactic nuclei and quasars over 0.3 < z < 4.5. This treasure trove of data forms a major part of the spectroscopic follow-up for the Dark Energy Survey for which we are also targeting cluster galaxies, radio galaxies, strong lenses, and unidentified transients, as well as measuring luminous red galaxiesmore » and emission line galaxies to help calibrate photometric redshifts. Here, we present an overview of the OzDES programme and our first-year results. Between 2012 December and 2013 December, we observed over 10 000 objects and measured more than 6 000 redshifts. Our strategy of retargeting faint objects across many observing runs has allowed us to measure redshifts for galaxies as faint as mr = 25 mag. We outline our target selection and observing strategy, quantify the redshift success rate for different types of targets, and discuss the implications for our main science goals. In conclusion, we highlight a few interesting objects as examples of the fortuitous yet not totally unexpected discoveries that can come from such a large spectroscopic survey.« less

  1. Joint Analysis of Galaxy-Galaxy Lensing and Galaxy Clustering: Methodology and Forecasts for DES

    SciTech Connect (OSTI)

    Park, Y.

    2015-07-19

    The joint analysis of galaxy-galaxy lensing and galaxy clustering is a promising method for inferring the growth function of large scale structure. Our analysis will be carried out on data from the Dark Energy Survey (DES), with its measurements of both the distribution of galaxies and the tangential shears of background galaxies induced by these foreground lenses. We develop a practical approach to modeling the assumptions and systematic effects affecting small scale lensing, which provides halo masses, and large scale galaxy clustering. Introducing parameters that characterize the halo occupation distribution (HOD), photometric redshift uncertainties, and shear measurement errors, we study how external priors on different subsets of these parameters affect our growth constraints. Degeneracies within the HOD model, as well as between the HOD and the growth function, are identified as the dominant source of complication, with other systematic effects sub-dominant. The impact of HOD parameters and their degeneracies necessitate the detailed joint modeling of the galaxy sample that we employ. Finally, we conclude that DES data will provide powerful constraints on the evolution of structure growth in the universe, conservatively/optimistically constraining the growth function to 7.9%/4.8% with its first-year data that covered over 1000 square degrees, and to 3.9%/2.3% with its full five-year data that will survey 5000 square degrees, including both statistical and systematic uncertainties.

  2. OzDES multifibre spectroscopy for the Dark Energy Survey: First-year operation and results

    SciTech Connect (OSTI)

    Yuan, Fang

    2015-07-29

    The Australian Dark Energy Survey (OzDES) is a five-year, 100-night, spectroscopic survey on the Anglo-Australian Telescope, whose primary aim is to measure redshifts of approximately 2500 Type Ia supernovae host galaxies over the redshift range 0.1 < z < 1.2, and derive reverberation-mapped black hole masses for approximately 500 active galactic nuclei and quasars over 0.3 < z < 4.5. This treasure trove of data forms a major part of the spectroscopic follow-up for the Dark Energy Survey for which we are also targeting cluster galaxies, radio galaxies, strong lenses, and unidentified transients, as well as measuring luminous red galaxies and emission line galaxies to help calibrate photometric redshifts. Here, we present an overview of the OzDES programme and our first-year results. Between 2012 December and 2013 December, we observed over 10 000 objects and measured more than 6 000 redshifts. Our strategy of retargeting faint objects across many observing runs has allowed us to measure redshifts for galaxies as faint as mr = 25 mag. We outline our target selection and observing strategy, quantify the redshift success rate for different types of targets, and discuss the implications for our main science goals. In conclusion, we highlight a few interesting objects as examples of the fortuitous yet not totally unexpected discoveries that can come from such a large spectroscopic survey.

  3. DES14X3taz: A type I superluminous supernova showing a luminous, rapidly cooling initial pre-peak bump

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Smith, M.

    2016-02-03

    Here, we present DES14X3taz, a new hydrogen-poor superluminous supernova (SLSN-I) discovered by the Dark Energy Survey (DES) supernova program, with additional photometric data provided by the Survey Using DECam for Superluminous Supernovae. Spectra obtained using Optical System for Imaging and low-Intermediate-Resolution Integrated Spectroscopy on the Gran Telescopio CANARIAS show DES14X3taz is an SLSN-I at z = 0.608. Multi-color photometry reveals a double-peaked light curve: a blue and relatively bright initial peak that fades rapidly prior to the slower rise of the main light curve. Our multi-color photometry allows us, for the first time, to show that the initial peak cools from 22,000more » to 8000 K over 15 rest-frame days, and is faster and brighter than any published core-collapse supernova, reaching 30% of the bolometric luminosity of the main peak. No physical (56)Ni-powered model can fit this initial peak. We show that a shock-cooling model followed by a magnetar driving the second phase of the light curve can adequately explain the entire light curve of DES14X3taz. Models involving the shock-cooling of extended circumstellar material at a distance of ≃400 R⊙ are preferred over the cooling of shock-heated surface layers of a stellar envelope. We compare DES14X3taz to the few double-peaked SLSN-I events in the literature. Although the rise times and characteristics of these initial peaks differ, there exists the tantalizing possibility that they can be explained by one physical interpretation.« less

  4. Wide-Field Lensing Mass Maps from DES Science Verification Data

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Chang, C.; Vikram, V.; Jain, B.

    2015-07-29

    We present a mass map reconstructed from weak gravitational lensing shear measurements over 139 deg2 from the Dark Energy Survey (DES) Science Verification data. The mass map probes both luminous and dark matter, thus providing a tool for studying cosmology. We find good agreement between the mass map and the distribution of massive galaxy clusters identified using a red-sequence cluster finder. Potential candidates for super-clusters and voids are identified using these maps. We measure the cross-correlation between the mass map and a magnitude-limited foreground galaxy sample and find a detection at the 6.8? level with 20 arcminute smoothing. These measurementsmoreare consistent with simulated galaxy catalogs based on ?CDM Nbody simulations, suggesting low systematics uncertainties in the map. We summarize our key findings in this letter; the detailed methodology and tests for systematics are presented in a companion paper.less

  5. DES J0454–4448: Discovery of the first luminous z ≥ 6 quasar from the Dark Energy Survey

    SciTech Connect (OSTI)

    Reed, S. L.

    2015-10-28

    We present the first results of a survey for high-redshift, z ≥ 6, quasars using izY multicolour photometric observations from the Dark Energy Survey (DES). Here we report the discovery and spectroscopic confirmation of the zAB, YAB = 20.2, 20.2 (M1450 = –26.5) quasar DES J0454–4448 with a redshift of z = 6.09±0.02 based on the onset of the Ly α forest and an H i near zone size of 4.1+1.1–1.2 proper Mpc. The quasar was selected as an i-band drop out with i–z = 2.46 and zAB < 21.5 from an area of ~300 deg2. It is the brightest of our 43 candidates and was identified for spectroscopic follow-up solely based on the DES i–z and z–Y colours. The quasar is detected by WISE and has W1AB = 19.68. The discovery of one spectroscopically confirmed quasar with 5.7 < z < 6.5 and zAB ≤ 20.2 is consistent with recent determinations of the luminosity function at z ~ 6. DES when completed will have imaged ~5000 deg2 to YAB = 23.0 (5σ point source) and we expect to discover 50–100 new quasars with z > 6 including 3–10 with z > 7 dramatically increasing the numbers of quasars currently known that are suitable for detailed studies.

  6. DES J0454–4448: Discovery of the first luminous z ≥ 6 quasar from the Dark Energy Survey

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Reed, S. L.

    2015-10-28

    We present the first results of a survey for high-redshift, z ≥ 6, quasars using izY multicolour photometric observations from the Dark Energy Survey (DES). Here we report the discovery and spectroscopic confirmation of the zAB, YAB = 20.2, 20.2 (M1450 = –26.5) quasar DES J0454–4448 with a redshift of z = 6.09±0.02 based on the onset of the Ly α forest and an H i near zone size of 4.1+1.1–1.2 proper Mpc. The quasar was selected as an i-band drop out with i–z = 2.46 and zAB < 21.5 from an area of ~300 deg2. It is the brightestmore » of our 43 candidates and was identified for spectroscopic follow-up solely based on the DES i–z and z–Y colours. The quasar is detected by WISE and has W1AB = 19.68. The discovery of one spectroscopically confirmed quasar with 5.7 < z < 6.5 and zAB ≤ 20.2 is consistent with recent determinations of the luminosity function at z ~ 6. DES when completed will have imaged ~5000 deg2 to YAB = 23.0 (5σ point source) and we expect to discover 50–100 new quasars with z > 6 including 3–10 with z > 7 dramatically increasing the numbers of quasars currently known that are suitable for detailed studies.« less

  7. redMaGiC. Selecting Luminous Red Galaxies from the DES Science Verification Data

    SciTech Connect (OSTI)

    Rozo, E.

    2015-07-20

    We introduce redMaGiC, an automated algorithm for selecting Luminous Red Galaxies (LRGs). The algorithm was developed to minimize photometric redshift uncertainties in photometric large-scale structure studies. redMaGiC achieves this by self-training the color-cuts necessary to produce a luminosity-thresholded LRG sam- ple of constant comoving density. Additionally, we demonstrate that redMaGiC photo-zs are very nearly as accurate as the best machine-learning based methods, yet they require minimal spectroscopic training, do not suffer from extrapolation biases, and are very nearly Gaussian. We apply our algorithm to Dark Energy Survey (DES) Science Verification (SV) data to produce a redMaGiC catalog sampling the redshift range z ϵ [0.2,0.8]. Our fiducial sample has a comoving space density of 10-3 (h-1Mpc)-3, and a median photo-z bias (zspec zphoto) and scatter (σz=(1 + z)) of 0.005 and 0.017 respectively.The corresponding 5σ outlier fraction is 1.4%. We also test our algorithm with Sloan Digital Sky Survey (SDSS) Data Release 8 (DR8) and Stripe 82 data, and discuss how spectroscopic training can be used to control photo-z biases at the 0.1% level.

  8. Galaxy Clustering, Photometric Redshifts and Diagnosis of Systematics in the DES Science Verification Data

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Crocce, M.

    2015-12-09

    We study the clustering of galaxies detected at i < 22.5 in the Science Verification observations of the Dark Energy Survey (DES). Two-point correlation functions are measured using 2.3 × 106 galaxies over a contiguous 116 deg2 region in five bins of photometric redshift width Δz = 0.2 in the range 0.2 < z < 1.2. The impact of photometric redshift errors is assessed by comparing results using a template-based photo-zalgorithm (BPZ) to a machine-learning algorithm (TPZ). A companion paper presents maps of several observational variables (e.g. seeing, sky brightness) which could modulate the galaxy density. Here we characterize andmore » mitigate systematic errors on the measured clustering which arise from these observational variables, in addition to others such as Galactic dust and stellar contamination. After correcting for systematic effects, we then measure galaxy bias over a broad range of linear scales relative to mass clustering predicted from the Planck Λ cold dark matter model, finding agreement with the Canada-France-Hawaii Telescope Legacy Survey (CFHTLS) measurements with χ2 of 4.0 (8.7) with 5 degrees of freedom for the TPZ (BPZ) redshifts. Furthermore, we test a ‘linear bias’ model, in which the galaxy clustering is a fixed multiple of the predicted non-linear dark matter clustering. The precision of the data allows us to determine that the linear bias model describes the observed galaxy clustering to 2.5 percent accuracy down to scales at least 4–10 times smaller than those on which linear theory is expected to be sufficient.« less

  9. Galaxy Clustering, Photometric Redshifts and Diagnosis of Systematics in the DES Science Verification Data

    SciTech Connect (OSTI)

    Crocce, M.

    2015-12-09

    We study the clustering of galaxies detected at i < 22.5 in the Science Verification observations of the Dark Energy Survey (DES). Two-point correlation functions are measured using 2.3 × 106 galaxies over a contiguous 116 deg2 region in five bins of photometric redshift width Δz = 0.2 in the range 0.2 < z < 1.2. The impact of photometric redshift errors is assessed by comparing results using a template-based photo-zalgorithm (BPZ) to a machine-learning algorithm (TPZ). A companion paper presents maps of several observational variables (e.g. seeing, sky brightness) which could modulate the galaxy density. Here we characterize and mitigate systematic errors on the measured clustering which arise from these observational variables, in addition to others such as Galactic dust and stellar contamination. After correcting for systematic effects, we then measure galaxy bias over a broad range of linear scales relative to mass clustering predicted from the Planck Λ cold dark matter model, finding agreement with the Canada-France-Hawaii Telescope Legacy Survey (CFHTLS) measurements with χ2 of 4.0 (8.7) with 5 degrees of freedom for the TPZ (BPZ) redshifts. Furthermore, we test a ‘linear bias’ model, in which the galaxy clustering is a fixed multiple of the predicted non-linear dark matter clustering. The precision of the data allows us to determine that the linear bias model describes the observed galaxy clustering to 2.5 percent accuracy down to scales at least 4–10 times smaller than those on which linear theory is expected to be sufficient.

  10. Search for Gamma-Ray Emission from DES Dwarf Spheroidal Galaxy Candidates with Fermi-LAT Data

    SciTech Connect (OSTI)

    Drlica-Wagner, A.; et al.

    2015-08-04

    Due to their proximity, high dark-matter (DM) content, and apparent absence of non-thermal processes, Milky Way dwarf spheroidal satellite galaxies (dSphs) are excellent targets for the indirect detection of DM. Recently, eight new dSph candidates were discovered using the first year of data from the Dark Energy Survey (DES). We searched for gamma-ray emission coincident with the positions of these new objects in six years of Fermi Large Area Telescope data. We found no significant excesses of gamma-ray emission. Under the assumption that the DES candidates are dSphs with DM halo properties similar to the known dSphs, we computed individual and combined limits on the velocity-averaged DM annihilation cross section for these new targets. If the estimated DM content of these dSph candidates is confirmed, they will constrain the annihilation cross section to lie below the thermal relic cross section for DM particles with masses $\\lesssim 20\\,\\mathrm{GeV}$ annihilating via the $b\\bar{b}$ or τ(+)τ(-) channels.

  11. Report on technical exchanges between CESTA and LLNL concerning FEL/induction activities; Bilan des exchanges techniques entre le CESTA et le LLNL sur les activites LEL/induction

    SciTech Connect (OSTI)

    Thevenot, M.; Eyl, P.

    1991-11-06

    Within the framework of scientific collaboration related to FEL (Free Electron Laser) activities between LLNL (Lawrence Livermore National Laboratory, USA) and CESTA [Centre d`Etudes des Systemes et des Technologies Avancees = Advanced Technology and Systems Research Center -- Tr. Ed.], the principal subject of these exchanges was the technology of high-voltage impulse generators designed to supply induction-type [linear] accelerators (LINAC). The role of this cooperative effort, which was to pool the expertise of the two laboratories, was not limited simply to an inspection of installations and methods. On the contrary, it permitted two representatives from each center to participate intimately in the experiments conducted on the experiments conducted on the LLNL equipment, and then at CESTA. 4 refs., 1 fig.

  12. Identification of amino-acid residues in the V protein of peste des petits ruminants essential for interference and suppression of STAT-mediated interferon signaling

    SciTech Connect (OSTI)

    Ma, Xusheng; Yang, Xing; Nian, Xiaofeng; Zhang, Zhidong; Dou, Yongxi; Zhang, Xuehu; Luo, Xuenong; Su, Junhong; Zhu, Qiyun; Cai, Xuepeng

    2015-09-15

    Peste des petits ruminants virus (PPRV) causes a fatal disease in small ruminants. V protein of PPRV plays a pivotal role in interfering with host innate immunity by blocking IFNs signaling through interacting with STAT1 and STAT2. In the present study, the results demonstrated that PPRV V protein blocks IFN actions in a dose dependent manner and restrains the translocation of STAT1/2 proteins. We speculate that the translocation inhibition might be caused by the interfering of the downstream of STAT protein. Mutagenesis defines that Cys cluster and Trp motif of PPRV V protein are essential for STAT-mediated IFN signaling. These findings give a new sight for the further studies to understand the delicate mechanism of PPRV to escape the IFN signaling. - Highlights: • PPRV V protein inhibits type I IFN production and blocks its activation. • PPRV V protein negatively regulates activation of ISRE and GAS promoter. • PPRV V protein inhibits nuclear translocation of STAT protein by non-degradation. • PNT and VCT domain of PPRV V protein inhibit IFN transduction. • PPRV V protein binds with STAT protein via some conserved motifs.

  13. Early Pennsylvanian wrenching along the Red River-Matador Arch: Formation of a pull-apart basin, Depocenter for Atokan to Lower Des Moines (bend) clastics, Cottle County, Texas

    SciTech Connect (OSTI)

    Stephens, W.C. Jr.; Gunn, R.D.

    1995-06-01

    Early Pennsylvanian wrenching along the Red River-Matador Arch (Tectonic Zone) created a braided series of en echelon faults and folds with associated pop-up structures and pull-apart basins. Local extension, or overstepping, in Southeast Cottle County, Texas, has produced the deepest pull-apart basin along the arch with over 10,000` of structural relief. The emerging Wichita-Amarillo Uplift, to the north, provided an abundant sediment source, which prograded rapidly southward as an alluvial fan-braided river complex. Exposure of basement rocks and lower Paleozoic sediments along the Red River-Matador Arch, also contributed to the basin fill. Syntectonic sedimentation led to the accumulation of over 6000` of Bend (Atoka-lower Des Moines) sediments within the basin. Deposition was dominated initially by alluvial fan to fluvial siliciclastics. As basin subsidence was further amplified by sediment loading, accommodation exceeded sedimentation capturing a large segment of the southward prograding Wichita-Amarillo derived clastic wedge. Encroachment of the late Atoka to lower Des Moines epeiric sea promoted further evolution of depositional environments to fan deltas, marine dominated clastics and, later, localized carbonate development. Type III kerogen rich organic shales produced abundant gas prone source rocks. The extreme depth of the basin combined with the local geothermal gradient provided for significant hydrocarbon generation. By early 1988 new well control helped revise previous stratigraphic correlation demonstrating a rapidly expanding lower Des Moines to Atokan section. The drilling of the Gunn Oil Company-Brothers No. 1 to a total depth of 10,301` in the Mississippian Chappel Limestone, encountered 2025` of Bend sediments, with 279` of gross Bend Conglomerate (162` of net pay). The Brothers No. 1 was potentialled on 11/19/89 with a CAOF of 6.0 MMCFD and filed as the field discovery for the Broken Bone (Bend Conglomerate) field.

  14. Comparison of effectiveness of sub-slab ventilation systems for indoor radon mitigation: A numerical study; Comparaison a l`aide d`un outil numerique de l`efficacite des systemes de ventilation active du sol limitant la penetration du radon dans l`habitat

    SciTech Connect (OSTI)

    Bonnefous, Y.C. |; Gadgil, A.J.; Allard, F.

    1992-04-01

    The functioning of an active sub-slab ventilation system (SVS) has been studied successfully with the help of a previously evaluated numerical model. The parameters explored are the permeability of the sub-slab and the gravel placed beneath it, the amplitude of applied pressure at the installation point of the system and the functioning method: depressurization or pressurization. The mechanisms contributing to the success of the two systems are identified. This numerical study shows that the presence of a layer of gravel beneath the sub-slab considerably improves the performance of the SVS. Considered separately from the extremely permeable sub-slabs, the depressurization systems perform better than the pressurization systems. 17 refs. [Francais] Le fonctionnement des Systemes de Ventilation active du Sol (SVS) a ete etudie a l`aide d`un outil numerique precedemment evalue avec succes. Les parametres explores sont les permeabilites du sol et du gravier place sous plancher bas, l`amplitude de la pression appliquee au point d`installation du systeme, et le mode de fonctionnement: Depressurisation ou Pressurisation. Les mecanismes contribuant au succes des deux systemes sont identifies. Cette etude numerique montre que la presence d`une couche de gravier sous plancher bas ameliore de facon considerable les performances des SVS. Mis a part le cas des sols extremement permeables, les systemes de Depressurisation ont de meilleures performances que les systemes de Pressurisation. 17 refs.

  15. Material report in support to RCC-MRX code 2010 stainless steel parts and products

    SciTech Connect (OSTI)

    Ancelet, Olivier; Lebarbe, Thierry; Dubiez-Le Goff, Sophie; Bonne, Dominique; Gelineau, Odile

    2012-07-01

    This paper presents the Material Report dedicated to stainless steels parts and products issued by AFCEN (Association Francaise pour les regles de Conception et de Construction des Materiels des Chaudieres Electro-Nucleaires) in support to RCC-MRx 2010 Code. The RCC-MRx Code is the result of the merger of the RCC-MX 2008, developed in the context of the research reactor Jules Horowitz Reactor project, in the RCC-MR 2007, which set up rules applicable to the design of components operating at high temperature and to the Vacuum Vessel of ITER (a presentation of RCC-MRx 2010 Code is the subject of another paper proposed in this Congress; it explains in particular the status of this Code). This Material Report is part of a set of Criteria of RCC-MRx (this set of Criteria is under construction). The Criteria aim at explaining the design and construction rules of the Code. They cover analyses rules as well as part procurement, welding, methods of tests and examination and fabrication rules. The Material Report particularly provides justifications and explanations on requirements and features dealing with parts and products proposed in the Code. The Material Report contains the following information: Introduction of the grade(s): codes and standards and Reference Procurement Specifications covering parts and products, applications and experience gained, - Physical properties, - Mechanical properties used for design calculations (base metal and welds): basic mechanical properties, creep mechanical properties, irradiated mechanical properties, - Fabrication: experience gained, metallurgy, - Welding: weldability, experience gained during welding and repair procedure qualifications, - Non-destructive examination, - In-service behaviour. In the article, examples of data supplied in the Material Report dedicated to stainless steels will be exposed. (authors)

  16. DOSAGE DES ELEMENTS EN TRACE DES CALCAIRES AU SERVICE DE L'ARCHEOLOGIE

    SciTech Connect (OSTI)

    BLANC,A.; HOLMES,L.; HARBOTTLE,G.

    1998-05-01

    Numerous quarries in the Lutetian limestone formations of the Paris Basin provided stone for the building and the decoration of monuments from antiquity to the present. To determine the origin of stone used for masonry and sculptures in these monuments, a team of geologists and archaeologists has investigated 300 quarries and collected 2,300 samples. Petrographic and paleontologic examination of thin sections allows geologists to distinguish Lutetian limestones from Jurassic and Cretaceous limestones. Geologists also seek to formulate hypotheses regarding the origin of Lutetian limestones used for building and sculpture in the Paris region. In the search for the sources of building and sculptural stone, the analytical methods of geologists are limited because often several quarries produce the same lithofacies. A new tool is now available, however, to attack questions of provenance raised by art historians. Because limestones from different sources have distinctive patterns of trace-element concentrations, compositional analysis by neutron activation allows them to compare building or sculptural stone from one monument with stone from quarries or other monuments. This analytical method subjects a powdered limestone sample to standard neutron activation analysis procedures at Brookhaven National Laboratory. With the help of computer programs, the compositional fingerprints of Lutetian limestones can be determined and stored in a database. The limestone database contains data for approximately 2,100 samples from monuments, sculptures and quarries. It is particularly rich in samples from the Paris Basin.

  17. Centrales au gaz et Energies renouvelables: comparer des pommes avec des pommes

    SciTech Connect (OSTI)

    Bolinger, Mark; Wiser, Ryan; Golove, William

    2003-10-20

    The fundamental conclusion that we draw from this analysis is that one should not to base itself blindly on forecasts prices of natural gas when one compare contracts at price fixes with producers of renewable energy with contracts at variable prices with promoters power stations with gas. Indeed, forecasts of the prices of gas do not succeed not to enter the associated costs with the covering of the risk, that they are connected to the negative pressure against the cover, with the CAPM, with costs of transaction or with unspecified combination of three. Thus, insofar as price stability to length term is developed, better way of comparing the two choices would be to have recourse to the data on the prices in the long term natural gas, and not with forecasts of the prices. During three last years at least, the use of these prices in the long term would have besides license to correct a methodological error who, obviously, seem to have supported unduly, and of relatively important way, power stations with natural gas compared to their competitors of renewable energies.

  18. ENECO Ltd | Open Energy Information

    Open Energy Info (EERE)

    vehicles for urban environments, using Series Hybrid technology for petrol, diesel, LPG, CNG, or bio-diesel applications. It has experience in the development of Alkaline fuel...

  19. Table 2. 2011 State energy-related carbon dioxide emissions by...

    U.S. Energy Information Administration (EIA) Indexed Site

    2011 State energy-related carbon dioxide emissions by fuel " ,"million metric tons of carbon dioxide",,,,,"shares" "State","Coal","Petroleum","Natural Gas ","Total",,"Coal","Petrol...

  20. CACTUS Software Download

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    ... Somalia South Africa Spain Sri Lanka Sudan Sudan, ... SunShot Sunshine to Petrol Solar Newsletter Wind Energy SWiFT ... MELCOR CSARP MCAP IMUG MACCS Meetings 2016 ...

  1. Biochemical Process Development and Integration | Bioenergy ...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    ... Enzyme and Microbial Development Techno-Economic Analysis Sustainability Analysis Collaborators DuPont EcoPetrol Genomatica Japanese Gas Corporation Lygos Membrane Science, ...

  2. Weak lensing by galaxy troughs in DES Science Verification data

    SciTech Connect (OSTI)

    Gruen, D.; Friedrich, O.; Amara, A.; Bacon, D.; Bonnett, C.; Hartley, W.; Jain, B.; M. Jarvis; Kavprzak, T.; Krause, E.; Mana, A.; Rozo, E.; Rykoff, E. S.; Seitz, S.; Sheldon, E.; Troxel, M. A.; Vikram, V.; Abbott, T. M. C.; Abdalla, F. B.; Allam, S.; Armstrong, R.; Banerji, M.; Bauer, A. H.; Becker, M. R.; Benoit-Levy, A.; Bernstein, G. M.; Bernstein, R. A.; Bertin, E.; Bridle, S. L.; Brooks, D.; Buckley-Geer, E.; Burke, D. L.; Capozzi, D.; Rosell, A. Carnero; Carretero, J.; Crocce, M.; Cunha, C. E.; D'Andrea, C. B.; da Costa, L. N.; DePoy, D. L.; Desai, S.; Diehl, H. T.; Dietrich, J. P.; Doel, P.; Eifler, T. F.; Neto, A. Fausti; Fernandez, E.; Flaugher, B.; Fosalba, P.; Frieman, J.; Gerdes, D. W.; Gruendl, R. A.; Gutierrez, G.; Honscheid, K.; James, D. J.; Kuehn, K.; Kuropatkin, N.; Lahav, O.; Li, T. S.; Lima, M.; Maia, M. A. G.; March, M.; Martini, P.; Melchior, P.; Miller, C. J.; Miguel, R.; Mohr, J. J.; Nord, B.; Orgando, R.; Plazas, A. A.; Reil, K.; Romer, A. K.; Roodman, A.; Sako, M.; Sanchez, E.; Scarpine, V.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, R. C.; Soares-Santos, M.; Sobreira, F.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Thaler, J.; Thomas, D.; Walker, A. R.; Wechsler, R. H.; Weller, J.; Zhang, Y.; Zuntz, J.

    2015-11-29

    In this study, we measure the weak lensing shear around galaxy troughs, i.e. the radial alignment of background galaxies relative to underdensities in projections of the foreground galaxy field over a wide range of redshift in Science Verification data from the Dark Energy Survey. Our detection of the shear signal is highly significant (10σ–15σ for the smallest angular scales) for troughs with the redshift range z ϵ [0.2, 0.5] of the projected galaxy field and angular diameters of 10 arcmin…1°. These measurements probe the connection between the galaxy, matter density, and convergence fields. By assuming galaxies are biased tracers of the matter density with Poissonian noise, we find agreement of our measurements with predictions in a fiducial Λ cold dark matter model. The prediction for the lensing signal on large trough scales is virtually independent of the details of the underlying model for the connection of galaxies and matter. Our comparison of the shear around troughs with that around cylinders with large galaxy counts is consistent with a symmetry between galaxy and matter over- and underdensities. In addition, we measure the two-point angular correlation of troughs with galaxies which, in contrast to the lensing signal, is sensitive to galaxy bias on all scales. The lensing signal of troughs and their clustering with galaxies is therefore a promising probe of the statistical properties of matter underdensities and their connection to the galaxy field.

  3. Microsoft Word - FY12 Fee Des.doc

    National Nuclear Security Administration (NNSA)

    NR0000031 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be

  4. Weak lensing by galaxy troughs in DES Science Verification data

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Gruen, D.; Friedrich, O.; Amara, A.; Bacon, D.; Bonnett, C.; Hartley, W.; Jain, B.; M. Jarvis; Kavprzak, T.; Krause, E.; et al

    2015-11-29

    In this study, we measure the weak lensing shear around galaxy troughs, i.e. the radial alignment of background galaxies relative to underdensities in projections of the foreground galaxy field over a wide range of redshift in Science Verification data from the Dark Energy Survey. Our detection of the shear signal is highly significant (10σ–15σ for the smallest angular scales) for troughs with the redshift range z ϵ [0.2, 0.5] of the projected galaxy field and angular diameters of 10 arcmin…1°. These measurements probe the connection between the galaxy, matter density, and convergence fields. By assuming galaxies are biased tracers ofmore » the matter density with Poissonian noise, we find agreement of our measurements with predictions in a fiducial Λ cold dark matter model. The prediction for the lensing signal on large trough scales is virtually independent of the details of the underlying model for the connection of galaxies and matter. Our comparison of the shear around troughs with that around cylinders with large galaxy counts is consistent with a symmetry between galaxy and matter over- and underdensities. In addition, we measure the two-point angular correlation of troughs with galaxies which, in contrast to the lensing signal, is sensitive to galaxy bias on all scales. The lensing signal of troughs and their clustering with galaxies is therefore a promising probe of the statistical properties of matter underdensities and their connection to the galaxy field.« less

  5. Forum des Jeuns du Gabon | Open Energy Information

    Open Energy Info (EERE)

    drought and land degradation, Environmentally sound technologies, Gender, Human rights and Sustainable development plans References "UNEP Major Groups Directory"...

  6. Weak Lensing by Galaxy Troughs in DES Science Verification Data

    SciTech Connect (OSTI)

    Gruen, D.

    2015-09-29

    We measure the weak lensing shear around galaxy troughs, i.e. the radial alignment of background galaxies relative to underdensities in projections of the foreground galaxy field over a wide range of redshift in Science Verification data from the Dark Energy Survey. Our detection of the shear signal is highly significant (10σ–15σ for the smallest angular scales) for troughs with the redshift range z ϵ [0.2, 0.5] of the projected galaxy field and angular diameters of 10 arcmin…1°. These measurements probe the connection between the galaxy, matter density, and convergence fields. By assuming galaxies are biased tracers of the matter density with Poissonian noise, we find agreement of our measurements with predictions in a fiducial Λ cold dark matter model. Furthermore, the prediction for the lensing signal on large trough scales is virtually independent of the details of the underlying model for the connection of galaxies and matter. Our comparison of the shear around troughs with that around cylinders with large galaxy counts is consistent with a symmetry between galaxy and matter over- and underdensities. In addition, we measure the two-point angular correlation of troughs with galaxies which, in contrast to the lensing signal, is sensitive to galaxy bias on all scales. Finally, the lensing signal of troughs and their clustering with galaxies is therefore a promising probe of the statistical properties of matter underdensities and their connection to the galaxy field.

  7. Des Moines Energy Center repowering with PCFB technology

    SciTech Connect (OSTI)

    Ambrose, S.J.; Kreumpel, G.E.; Dryden, R.

    1992-01-01

    Iowa Power and Dairyland Power have formed a partnership and entered into an agreement with the United States Department of Energy (DOE) to repower a mothballed electric generating facility using Pressurized Circulating Fluidized Bed (PCFB) combustion technology. The project is the first commercial application of PCFB technology. The project includes the refurbishment of an existing steam turbine cycle, installation of the PCFB and gas turbine, and a two year operating period to demonstrate the technology. The repowered unit is expected to be rated at 80 MW. The plant is scheduled to begin operation in 1996. Process systems are described.

  8. Des Moines Energy Center repowering with PCFB technology

    SciTech Connect (OSTI)

    Ambrose, S.J.; Kreumpel, G.E.; Dryden, R.

    1992-12-01

    Iowa Power and Dairyland Power have formed a partnership and entered into an agreement with the United States Department of Energy (DOE) to repower a mothballed electric generating facility using Pressurized Circulating Fluidized Bed (PCFB) combustion technology. The project is the first commercial application of PCFB technology. The project includes the refurbishment of an existing steam turbine cycle, installation of the PCFB and gas turbine, and a two year operating period to demonstrate the technology. The repowered unit is expected to be rated at 80 MW. The plant is scheduled to begin operation in 1996. Process systems are described.

  9. Des Plaines Landfill Biomass Facility | Open Energy Information

    Open Energy Info (EERE)

    mW 0.0038 GW Commercial Online Date 2004 Heat Rate (BTUkWh) 12916.67 References EPA Web Site1 Loading map... "minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN...

  10. Browse Societies by Language -- E-print Network Societies by...

    Office of Scientific and Technical Information (OSTI)

    des Sciences, des Lettres et des Arts Tunisian Academy of the Sciences, ... de Psilogie Quebec Society of Psychology -- Socit Qubcoise pour l'tude ...

  11. Targeted Energy Efficiency Expert Evaluation Report: Neal Smith Federal Building, Des Moines, IA

    SciTech Connect (OSTI)

    Fernandez, Nicholas; Goddard, James K.; Underhill, Ronald M.; Gowri, Krishnan

    2013-03-01

    This report summarizes the energy efficiency measures identified and implemented, and an analysis of the energy savings realized using low-cost/no-cost control system measures identified.

  12. Detection of the kinematic Sunyaev-Zel'dovich effect with DES...

    Office of Scientific and Technical Information (OSTI)

    Citation Details In-Document Search Title: Detection of the kinematic Sunyaev-Zel'dovich ... we measure the average central optical depth of the cluster sample, bartaue ...

  13. The LMC geometry and outer stellar populations from early DES data

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Balbinot, Eduardo; Plazas, A.; Santiago, B. X.; Girardi, L.; Pieres, A.; da Costa, L. N.; Maia, M. A. G.; Gruendl, R. A.; Walker, A. R.; Yanny, B.; et al

    2015-03-20

    The Dark Energy Camera has captured a large set of images as part of Science Verification (SV) for the Dark Energy Survey. The SV footprint covers a large portion of the outer Large Magellanic Cloud (LMC), providing photometry 1.5 magnitudes fainter than the main sequence turn-off of the oldest LMC stellar population. We derive geometrical and structural parameters for various stellar populations in the LMC disc. For the distribution of all LMC stars, we find an inclination of i = –38.14°±0.08° (near side in the North) and a position angle for the line of nodes of θ₀ = 129.51°±0.17°. Wemore » find that stars younger than ~4 Gyr are more centrally concentrated than older stars. Fitting a projected exponential disc shows that the scale radius of the old populations is R>4Gyr = 1.41 ± 0.01 kpc, while the younger population has R<4Gyr = 0.72 ± 0.01 kpc. However, the spatial distribution of the younger population deviates significantly from the projected exponential disc model. The distribution of old stars suggests a large truncation radius of Rt = 13.5 ± 0.8 kpc. If this truncation is dominated by the tidal field of the Galaxy, we find that the LMC is ≃24+9–6 times less massive than the encircled Galactic mass. By measuring the Red Clump peak magnitude and comparing with the best-fit LMC disc model, we find that the LMC disc is warped and thicker in the outer regions north of the LMC centre. As a result, our findings may either be interpreted as a warped and flared disc in the LMC outskirts, or as evidence of a spheroidal halo component.« less

  14. The LMC geometry and outer stellar populations from early DES data

    SciTech Connect (OSTI)

    Balbinot, Eduardo; Plazas, A.; Santiago, B. X.; Girardi, L.; Pieres, A.; da Costa, L. N.; Maia, M. A. G.; Gruendl, R. A.; Walker, A. R.; Yanny, B.; Drlica-Wagner, A.; Benoit-Levy, A.; Abbott, T. M. C.; Allam, S. S.; Annis, J.; Bernstein, J. P.; Bernstein, R. A.; Bertin, E.; Brooks, D.; Buckley-Geer, E.; Rosell, A. Carnero; Cunha, C. E.; Depoy, D. L.; Desai, S.; Diehl, H. T.; Doel, P.; Estrada, J.; Evrard, A. E.; Fausti Neto, A.; Finley, D. A.; Flaugher, B.; Frieman, J. A.; Gruen, D.; Honscheid, K.; James, D.; Kuehn, K.; Kuropatkin, N.; Lahav, O.; March, M.; Marshall, J. L.; Miller, C.; Miquel, R.; Ogando, R.; Peoples, J.; Scarpine, V.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, R. C.; Soares-Santos, M.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Tucker, D. L.; Wechsler, R.; Zuntz, J.

    2015-03-20

    The Dark Energy Camera has captured a large set of images as part of Science Verification (SV) for the Dark Energy Survey. The SV footprint covers a large portion of the outer Large Magellanic Cloud (LMC), providing photometry 1.5 magnitudes fainter than the main sequence turn-off of the oldest LMC stellar population. We derive geometrical and structural parameters for various stellar populations in the LMC disc. For the distribution of all LMC stars, we find an inclination of i = –38.14°±0.08° (near side in the North) and a position angle for the line of nodes of θ₀ = 129.51°±0.17°. We find that stars younger than ~4 Gyr are more centrally concentrated than older stars. Fitting a projected exponential disc shows that the scale radius of the old populations is R>4Gyr = 1.41 ± 0.01 kpc, while the younger population has R<4Gyr = 0.72 ± 0.01 kpc. However, the spatial distribution of the younger population deviates significantly from the projected exponential disc model. The distribution of old stars suggests a large truncation radius of Rt = 13.5 ± 0.8 kpc. If this truncation is dominated by the tidal field of the Galaxy, we find that the LMC is ≃24+9–6 times less massive than the encircled Galactic mass. By measuring the Red Clump peak magnitude and comparing with the best-fit LMC disc model, we find that the LMC disc is warped and thicker in the outer regions north of the LMC centre. As a result, our findings may either be interpreted as a warped and flared disc in the LMC outskirts, or as evidence of a spheroidal halo component.

  15. Des Moines Area Community College | OSTI, US Dept of Energy Office...

    Office of Scientific and Technical Information (OSTI)

    DMACC Facebook DMACC Twitter DMACC YouTube Students Wind Energy and Technology Careers ... Loop Ankeny Campus Academic Achievement Center DMACC Video Magazine DMACC Operation Green

  16. Galaxy-Galaxy Lensing in the DES Science Verification Data (Journal...

    Office of Scientific and Technical Information (OSTI)

    Covariances from jackknife subsamples of the data are validated with a suite of 50 mock surveys. The results and systematics checks in this work provide a critical input for future ...

  17. The LMC geometry and outer stellar populations from early DES data

    SciTech Connect (OSTI)

    Balbinot, Eduardo; Plazas, A.; Santiago, B. X.; Girardi, L.; Pieres, A.; da Costa, L. N.; Maia, M. A. G.; Gruendl, R. A.; Walker, A. R.; Yanny, B.; Drlica-Wagner, A.; Benoit-Levy, A.; Abbott, T. M. C.; Allam, S. S.; Annis, J.; Bernstein, J. P.; Bernstein, R. A.; Bertin, E.; Brooks, D.; Buckley-Geer, E.; Rosell, A. Carnero; Cunha, C. E.; Depoy, D. L.; Desai, S.; Diehl, H. T.; Doel, P.; Estrada, J.; Evrard, A. E.; Fausti Neto, A.; Finley, D. A.; Flaugher, B.; Frieman, J. A.; Gruen, D.; Honscheid, K.; James, D.; Kuehn, K.; Kuropatkin, N.; Lahav, O.; March, M.; Marshall, J. L.; Miller, C.; Miquel, R.; Ogando, R.; Peoples, J.; Scarpine, V.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, R. C.; Soares-Santos, M.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Tucker, D. L.; Wechsler, R.; Zuntz, J.

    2015-03-20

    The Dark Energy Camera has captured a large set of images as part of Science Verification (SV) for the Dark Energy Survey. The SV footprint covers a large portion of the outer Large Magellanic Cloud (LMC), providing photometry 1.5 magnitudes fainter than the main sequence turn-off of the oldest LMC stellar population. We derive geometrical and structural parameters for various stellar populations in the LMC disc. For the distribution of all LMC stars, we find an inclination of i = 38.140.08 (near side in the North) and a position angle for the line of nodes of ?? = 129.510.17. We find that stars younger than ~4 Gyr are more centrally concentrated than older stars. Fitting a projected exponential disc shows that the scale radius of the old populations is R>4Gyr = 1.41 0.01 kpc, while the younger population has R<4Gyr = 0.72 0.01 kpc. However, the spatial distribution of the younger population deviates significantly from the projected exponential disc model. The distribution of old stars suggests a large truncation radius of Rt = 13.5 0.8 kpc. If this truncation is dominated by the tidal field of the Galaxy, we find that the LMC is ?24+96 times less massive than the encircled Galactic mass. By measuring the Red Clump peak magnitude and comparing with the best-fit LMC disc model, we find that the LMC disc is warped and thicker in the outer regions north of the LMC centre. As a result, our findings may either be interpreted as a warped and flared disc in the LMC outskirts, or as evidence of a spheroidal halo component.

  18. SEP Success Story: A Touch of Green for Des Moines’ Sherman Hill

    Broader source: Energy.gov [DOE]

    When the Green & Main Initiative completes the renovation of a 1930s grocery store, the previously abandoned building will be LEED Platinum certified, with a green roof and 54 original windows retrofitted to achieve high energy efficiency standards. Learn more.

  19. A Radiometric All-Sky Infrared Camera (RASICAM) for DES/CTIO

    SciTech Connect (OSTI)

    Lewis, Peter M.; Rogers, Howard; Schindler, Rafe H.; /SLAC

    2010-08-25

    A novel radiometric all-sky infrared camera [RASICAM] has been constructed to allow automated real-time quantitative assessment of night sky conditions for the Dark Energy Camera [DECam] located on the Blanco Telescope at the Cerro Tololo Inter-American Observatory in Chile. The camera is optimized to detect the position, motion and optical depth of thin, high (8-10km) cirrus clouds and contrails by measuring their apparent temperature above the night sky background. The camera system utilizes a novel wide-field equiresolution catadioptic mirror system that provides sky coverage of 2{pi} azimuth and 14-90{sup o} from zenith. Several new technological and design innovations allow the RASICAM system to provide unprecedented cloud detection and IR-based photometricity quantification. The design of the RASICAM system is presented.

  20. Danger radiations

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le conférencier Mons.Hofert parle des dangers et risques des radiations, le contrôle des zones et les précautions à prendre ( p.ex. film badge), comment mesurer les radiations etc.

  1. EIS_Summary

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    ... Des Arc Austin Adona Houston Danville Palestine Perry Corinth Ward Cotton Plant ... Haynes Wheatley Fargo Horseshoe Lake Des Arc Hughes Palestine Ward Cotton Plant Forrest ...

  2. Latest techniques and equipment for the conversion of motor vehicles to LPG/petroleum use

    SciTech Connect (OSTI)

    Armstrong, R.

    1980-01-01

    Liquified petroleum gases (LPG) has been used for transportation in Europe, the United States, Japan and to a much lesser extent in Australia for many years. In most cases, the vehicles have been powered by engines designed for petrol operation and subsequently converted to use LPG. The application of LPG as an automotive fuel in different countries depends heavily on the availability of the fuel and the tax policy of the government. The demand for dual fuel equipment is increasing. Some of the problems facing Australia to convert vehicles to LPG use emphasize the institutional and hardware obstacles. Before LPG can be considered to be a safe, viable alternative fuel to petrol, improvements will have to be made in safety standards, in reduced exhaust emissions, in increased fuel efficiency, and in the involvement of car manufacturers. (SAC)

  3. (Biotechnology for the conversion of lignocellulosics)

    SciTech Connect (OSTI)

    Woodward, J.

    1990-10-25

    This report summarizes the results of the traveler's participation in the International Energy Agency (IEA) Network planning meeting for Biotechnology for the Conversion of Lignocellulosics,'' held at the Institut Francais du Petrole (IFP), Rueil-Malmaison, France. It also summarizes the results of discussions held at Aston University, Birmingham, UK, with Dr. Martin Beevers with whom the traveler is attempting to initiate a collaborative research project that will be beneficial to ongoing research programs at Oak Ridge National Laboratory (ORNL). The itinerary for the trip is given in Appendix A; the names of the people contacted are listed in Appendix B. Also, pertinent information about the Institut Francais du Petrole is attached (Appendix C). 1 tab.

  4. untitled

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    petrol Witnessing a birth WINTER 2008 S A N D I A T E C H N O L O G Y A Q UA RT E R LY R E S E A R C H & D E V E LO P M E N T MAG A Z I N E - VO LUM E 9 , N O. 4 Sunshine to petrol Beauty, molecules deep A l l i a n c e s > Sandia Technology (ISSN: 1547-5190) is a quarterly maga- zine published by Sandia National Laboratories. Sandia is a multiprogram engineering and science laboratory operated by Sandia Corporation, a Lockheed Martin company, for the U.S. Department of Energy. With main

  5. EC Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Sunshine to Petrol (5) admin 2016-04-18T20:58:24+00:00 Popular Downloads Solar Energy Grid Integration Systems: Final Report of the Florida Solar Energy Center Team (11367 downloads) Modeling System Losses in PVsyst (9344 downloads) Numerical Manufacturing And Design Tool (NuMAD v2.0) for Wind Turbine Blades: User's Guide (7613 downloads) Solar Energy Grid Integration Systems (SEGIS) Proactive Intelligent Advances for Photovoltaic Systems (6675 downloads) Improved Test Method to Verify the Power

  6. EC Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Sunshine to Petrol: Solar Recycling of Carbon Dioxide into Hydrocarbon Fuels admin 2016-04-18T20:58:24+00:00 Popular Downloads Solar Energy Grid Integration Systems: Final Report of the Florida Solar Energy Center Team (11367 downloads) Modeling System Losses in PVsyst (9344 downloads) Numerical Manufacturing And Design Tool (NuMAD v2.0) for Wind Turbine Blades: User's Guide (7613 downloads) Solar Energy Grid Integration Systems (SEGIS) Proactive Intelligent Advances for Photovoltaic Systems

  7. Sciences and society

    SciTech Connect (OSTI)

    2008-01-10

    J.Luns des Pays-Bas, ancien sctaire gnral de NATO (OTAN=Organisation du trait de l'Atlantique Nord) parle du pass, prsent et future de la dfense europenne et des relations est et ouest

  8. Celebration of PS

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG John Adams parle des premières années du PS avec présentation des dias ainsi il honore Pierre Germain qui après 24 ans de travail quitte sa fonction.

  9. Energy Citations Database (ECD) - Availability

    Office of Scientific and Technical Information (OSTI)

    vente des publications des Communautes Europeenes 37, rue Glesener-Luxembourg. FD U.S. Fish and Wildlife Service, 18th and C Streets, N.W., Mail Stop 1111, Arlington Square Bldg.,...

  10. Fermilab | Newsroom | Press Releases | March 10, 2015: Scientists...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    3 March 10, 2015 FOR IMMEDIATE RELEASE Scientists find rare dwarf satellite galaxy candidates in Dark Energy Survey data DES-Dwarf-Galaxies DES-Dwarf-Galaxies Previous Next...

  11. Research- Knowledge

    ScienceCinema (OSTI)

    None

    2011-04-25

    S.Mansholt, connu sur le marché commun de la communité européenne, est agriculteur et agronome de profession et un des pionnier et animateur des affaires d'unification européene

  12. CX-006500: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Magellan Des Moines Biodiesel Terminal ProjectCX(s) Applied: B5.1Date: 09/06/2011Location(s): Des Moines, IowaOffice(s): Energy Efficiency and Renewable Energy, Golden Field Office

  13. PET

    ScienceCinema (OSTI)

    None

    2011-04-25

    le DG fait l'introduction et laisse la parole à plusieurs intervenants au sujet de la physique des particules

  14. Gas Technology Institute (Partnership for Advanced Residential...

    Open Energy Info (EERE)

    Technology Institute (Partnership for Advanced Residential Retrofit) Jump to: navigation, search Name: Gas Technology Institute Place: Des Plaines, IL Website:...

  15. Utilization Technology Institute | Open Energy Information

    Open Energy Info (EERE)

    Utilization Technology Institute Jump to: navigation, search Name: Utilization Technology Institute Place: Des Plaines, IL References: Utilization Technology Institute1...

  16. Departure Roger Anthoine

    SciTech Connect (OSTI)

    2007-11-28

    Remerciements et discours du D.G. H.Schopper l'occasion du dpart de Roger Anthoine (attach de presse), qui travaillait dans la communication et quitte le Cern aprs 27 ans de service. Il gardait des relations avec des mdias internationaux et la presse locale; remise des cadeaux: album photo avec images des muss de Genve et un radio aviation; R.A. fait un rsum de ses activits et souvenirs et remercie ses collaborateurs

  17. NASEO Midwest Regional Meeting

    Broader source: Energy.gov [DOE]

    The National Association of State Energy Officials (NASEO) is hosting its Midwest Regional Meeting in Des Moines, Iowa.

  18. Midday Meeting- Chemically induced Mind Alteration

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le Docteur Hugo Solms parle de l'abus des drogues, pourquoi les gens en prennent et comment vivre sans

  19. Visit CD

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG H.Schopper souhaite la bienvenue aux ambassadeurs des pays membres et aux représentants des pays avec lesquels le Cern entretient des relations proches et fait un exposé sur les activités au Cern

  20. LNG projects make progress in Oman and Yemen

    SciTech Connect (OSTI)

    1997-02-24

    Two LNG projects in the Middle East, one in Oman and the other in Yemen, are due on stream at the turn of the century--each the largest single project ever put together in its country. Officials described their projects at a yearend 1996 conference in Paris by Institut Francais du Petrole and Petrostrategies. The Oman project develops gas reserves, does gas processing, and transports the gas 360 km to a liquefaction plant to be built on the coast. The Yemen project involves a liquefaction plant and an export terminal.

  1. PreCam

    SciTech Connect (OSTI)

    Allam, Sahar S.; Tucker, Douglas L.

    2015-01-01

    The Dark Energy Survey (DES) will be taking the next step in probing the properties of Dark Energy and in understanding the physics of cosmic acceleration. A step towards the photometric calibration of DES is to have a quick, bright survey in the DES footprint (PreCam), using a pre-production set of the Dark Energy Camera (DECam) CCDs and a set of 100 mm×100 mm DES filters. The objective of the PreCam Survey is to create a network of calibrated DES grizY standard stars that will be used for DES nightly calibrations and to improve the DES global relative calibrations. Here, we describe the first year of PreCam observation, results, and photometric calibrations.

  2. A two-dimensional regional basin model of Williston basin hydrocarbon systems

    SciTech Connect (OSTI)

    Burrus, J.; Wolf, S.; Doligez, B.

    1996-02-01

    Institut Francais du Petrole`s two-dimensional model, TEMISPACK, is used to discuss the functioning of petroleum systems in the Williston basin along a 330-km-long section, focusing on four regional source intervals: Ordovician Yeoman formation, Lower Devonian Winnipegosis Formation, Upper Devonian-Lower Mississippian Bakken Formation, and Mississippian Lodgepole formation. Thermal history calibration against present temperature and source rock maturity profiles suggests that the Williston basin can be divided into a region of constant heat flow of about 55 mW/m{sup 2} away from the Nesson anticline, and a region of higher heat flow and enhanced thermal maturity in the vicinity of the Nesson anticline. Original kinetic parameters used in the calibration were derived for each of the four source rocks from Rock-Eval yield curves. Bakken overpressures are entirely due to oil generation, not compaction disequilibrium. Very low Bakken vertical permeabilities range from 0.01 to 0.001 and are matched against observed overpressures, whereas Bakken porosities based on the model and confirmed by measurements are inferred to be also unusually low, around 3%.

  3. Updating about reductions of air and blood lead concentrations in Turin, Italy, following reductions in the lead content of gasoline

    SciTech Connect (OSTI)

    Bono, R.; Pignata, C.; Gilli, G.

    1995-07-01

    Considering its well known toxicity and the chronic human exposure to lead, international lawmakers enforced some directives or laws calling for the reduction of lead content in gasoline. All of these legislative acts aimed to reduce health risks for the general population. The aim of this study was to consider the effectiveness of these laws on air lead levels and consequently on blood lead levels in a randomly selected urban Italian population. In particular, these markers were analyzed over the course of several years, corresponding to the periods just before and after enforcements of the reductions of lead in petrol. Data presented point out some considerations: (1) enforcement of legislative measures concerning the reduction of lead in petrol has reduced atmospheric levels of lead. This result demonstrates a major environmental success in primary prevention efforts. (2) This success is clear especially considering that the actual Pb-B levels can be extended to the urbanized populations. Pb-B levels were consistently higher for drinkers, for older adults and for males. The mean of Pb-B level for the present urbanized population is higher than the U.S. overall population (6.4 vs 3 {mu}g/dl). This difference can be also explained considering the different historical period of enforcement of the restriction laws. 10 refs., 3 figs., 3 tabs.

  4. Clouds at CTIO and the Dark Energy Survey

    SciTech Connect (OSTI)

    Neilsen, Jr., Eric

    2015-08-01

    An understanding of the weather patters at Cerro-Tololo Inter-American (CTIO) Observatory, the observing site for the Dark Energy Survey (DES), is important for assessing the efciency of DES operations in using observing time and for planning future operations. CTIO has maintained records of cloud-cover by quarters of nights since 1975. A comparison between these cloud records in the 2013-2014 DES observing season (DES year 1) and achieved observing efciency and exposure quality allows the DES collaboration to make better use of the historical records in survey planning. Plots and tables here relate human recorded cloud-cover to collection of good DES data, show the variation of typical cloud-cover by month, and evaluate the relationship between the El Niño weather pattern and cloud-cover at CTIO.

  5. Application for presidential permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    ("HVDC") transmission line (the "Application") from the Des Cantons substation in Quebec, to Franklin, New Hampshire (the "Project"). Northern Pass Transmission, LLC Docket No. ...

  6. International Association of Public Transport | Open Energy Informatio...

    Open Energy Info (EERE)

    search Name: International Association of Public Transport Address: Rue Sainte-Marie 6 (Quai des Charbonnages) Place: Brussels, Belgium Zip: B-1080 Sector: Vehicles Year...

  7. Photometric Redshifts for the Dark Energy Survey and VISTA and...

    Office of Scientific and Technical Information (OSTI)

    We conduct a detailed analysis of the photometric redshift requirements for the proposed Dark Energy Survey (DES) using two sets of mock galaxy simulations and an artificial neural ...

  8. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... analysis of the photometric redshift requirements for the proposed Dark Energy Survey (DES) using two sets of mock galaxy simulations and an artificial neural network code-ANNz. ...

  9. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... of photometric redshifts is to utilize cross-correlation statistics in some form. ... the best possible calibration from cross-correlation methods for DES and LSST. We thus ...

  10. Search for: All records | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    ... of photometric redshifts is to utilize cross-correlation statistics in some form. ... the best possible calibration from cross-correlation methods for DES and LSST. We thus ...

  11. Spectroscopic Needs for Imaging Dark Energy Experiments (Journal...

    Office of Scientific and Technical Information (OSTI)

    ... of photometric redshifts is to utilize cross-correlation statistics in some form. ... the best possible calibration from cross-correlation methods for DES and LSST. We thus ...

  12. Superior Energy Performance: Certifying Increased Energy Productivity...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    ... Management Working Group (EMWG) Waterwastewater Des Moines, IA (2) Delta Diablo, CA Ithaca, NY Kent County, DE Victor Valley, CA Alexandria (VA) Renew ...

  13. Iowa Department of Economic Development | Open Energy Information

    Open Energy Info (EERE)

    Department of Economic Development Jump to: navigation, search Name: Iowa Department of Economic Development Place: Des Moines, Iowa Zip: 50309 Product: Iowa economic development...

  14. Departure Roger Anthoine

    ScienceCinema (OSTI)

    None

    2011-04-25

    Remerciements et discours du D.G. H.Schopper à l'occasion du départ de Roger Anthoine (attaché de presse), qui travaillait dans la communication et quitte le Cern après 27 ans de service. Il gardait des relations avec des médias internationaux et la presse locale; remise des cadeaux: album photo avec images des musés de Genève et un radio aviation; R.A. fait un résumé de ses activités et souvenirs et remercie ses collaborateurs

  15. National Association of the Remodeling Industry (NARI) | Open...

    Open Energy Info (EERE)

    Association of the Remodeling Industry (NARI) Jump to: navigation, search Name: National Association of the Remodeling Industry (NARI) Place: Des Plaines, IL Website: www.nari.org...

  16. Transcendental Meditation

    ScienceCinema (OSTI)

    None

    2011-04-25

    K.Wallace, qui vient des Etats Unis, parle des effects physiologiques de la méditation transcendantale. Il a fait son bachelor en physique à l'Université de Los Angeles et son doctorat en physiologie aussi à Los Angeles, mais à l'Institut de Recherche sur le cerveau. Il travaille maintenat à Harvard Medical School ou il continue des recherches biochimiques et physiologiques sur l'application médicale de la méditation transcendantale. Il s'occupe principalement des maladies cardiaques et de hypertension artérielle.

  17. Worksheet

    U.S. Energy Information Administration (EIA) Indexed Site

    FUEL(DOLLARS)EMPLOYEES","OPERATION(DOLLARS)","MAINTENANCE(DOLLARS)","TOTAL(DOLLARS)","DES... Power Generation (500-507, 510-514) Fuel Cost (501)" 55,"Aberdeen City ...

  18. The english at Cern

    ScienceCinema (OSTI)

    None

    2011-04-25

    Assemblée du personnel anglais traitant des sujets tels affaires sociales, salaires, caisse de pension etc....avec plusieurs conférenciers (date inconnue)

  19. AgraGate Carbon Credits Corporation | Open Energy Information

    Open Energy Info (EERE)

    AgraGate Carbon Credits Corporation Jump to: navigation, search Name: AgraGate Carbon Credits Corporation Place: Des Moines, Iowa Zip: 50266 Product: Offset aggregators that work...

  20. Apollo Solar Energy Inc | Open Energy Information

    Open Energy Info (EERE)

    Inc Jump to: navigation, search Name: Apollo Solar Energy Inc Place: Bethel, Connecticut Zip: 68010 Sector: Solar Product: String representation "The company des ... e &...

  1. "Title","Creator/Author","Publication Date","OSTI Identifier...

    Office of Scientific and Technical Information (OSTI)

    Royale Pour L'Avancement Des Sciences","USDOE","36 MATERIALS SCIENCE Clean Coal Technology Coal - Environmental Processes",,"The feasibility of using carbon dioxide as...

  2. FY 2014 Projects for Improving the Design, Construction, and...

    Energy Savers [EERE]

    Institute (Des Plaines, Ill.) - Simultaneous Waste Heat and Water Recovery from Power Plant Flue Gases for Advanced Energy Systems. The project team will further develop an...

  3. Roeder Farms | Open Energy Information

    Open Energy Info (EERE)

    Developer 5045 Wind Partners Energy Purchaser Alliant Energy Location Des Moines IA Coordinates 43.29729211, -93.28315258 Show Map Loading map... "minzoom":false,"mapp...

  4. Iowa Office of Energy Independence | Open Energy Information

    Open Energy Info (EERE)

    navigation, search Name: Iowa Office of Energy Independence Place: Des Moines, Iowa Zip: IA 50319 Product: In 2007, Governor Culver and the Iowa State Legislature created the...

  5. Jawaharlal Nehru

    ScienceCinema (OSTI)

    None

    2011-04-25

    L'orateur S.E. Giusti del Giardino a connu Nehru (ennemi des castes) les dernières années de sa vie

  6. Browse by Discipline -- E-print Network Subject Pathways: Plasma...

    Office of Scientific and Technical Information (OSTI)

    Ecole des Mines de Nantes Kasher, Roni (Roni Kasher) - Zuckerberg Institute for Water Research, Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert ...

  7. General Staff Meeting

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG H.Schopper informe le personnel des derniers événements au Cern, comme: 1.) Décision du LEP 2.) Budget 3.) Pension

  8. Solaire Durance | Open Energy Information

    Open Energy Info (EERE)

    Jump to: navigation, search Name: Solaire Durance Place: France Sector: Solar Product: Joint venture between French state bank la Caisse des Dpots and French solar power...

  9. 2016 High School Science Bowl Participating Teams | The Ames...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    (Bettendorf) Prince of Peace (Clinton) Regina (Iowa City) Roland-Story Shenandoah St. Albert (Council Bluffs) Union (La Porte City) Valley (West Des Moines) West Central Valley...

  10. St. Charles County, Missouri: Energy Resources | Open Energy...

    Open Energy Info (EERE)

    Missouri O'Fallon, Missouri Portage Des Sioux, Missouri St. Charles, Missouri St. Paul, Missouri St. Peters, Missouri Weldon Spring Heights, Missouri Weldon Spring, Missouri...

  11. 65th Birthday of Dr.Owen Lock

    ScienceCinema (OSTI)

    None

    2011-04-25

    Remerciements au Dr.Owen Lock, un des pionniers du Cern, à l'occasion de son 65me anniversaire et sa retraite (avec plusieurs intervenants)

  12. Low-Cost Gas Heat Pump For Building Space Heating | Department...

    Broader source: Energy.gov (indexed) [DOE]

    Credit: Stone Mountain Technologies Lead Performer: Stone Mountain Technologies - Erwin, TN Partners: -- A.O. Smith - Milwaukee, WI -- Gas Technology Institute - Des Plaines, IL ...

  13. Energy Savings with Acceptable Indoor Air Quality Through Improved Air Flow Control in Residential Retrofit

    Office of Energy Efficiency and Renewable Energy (EERE)

    Lead Performer: Gas Technology Institute—Des Plaines, IL Partners: -- University of Illinois, Urbana IL -- Midwest Energy Efficiency Alliance, Chicago IL

  14. The endocrine disruptor diethylstilbestrol induces adipocyte differentiation and promotes obesity in mice

    SciTech Connect (OSTI)

    Hao, Chan-Juan; Cheng, Xue-Jia; Xia, Hong-Fei Ma, Xu

    2012-08-15

    Epidemiology studies indicate that exposure to endocrine disruptors during developmental “window” contributes to adipogenesis and the development of obesity. Implication of endocrine disruptor such as diethylstilbestrol (DES) on adipose tissue development has been poorly investigated. Here we evaluated the effects of DES on adipocyte differentiation in vitro and in vivo, and explored potential mechanism involved in its action. DES induced 3T3-L1 preadipocyte differentiation in a dose-dependent manner, and activated the expression of estrogen receptor (ER) and peroxisome proliferator-acivated receptor (PPAR) γ as well as its target genes required for adipogenesis in vitro. ER mediated the enhancement of DES-induced PPARγ activity. Moreover, DES perturbed key regulators of adipogenesis and lipogenic pathway in vivo. In utero exposure to low dose of DES significantly increased body weight, liver weight and fat mass in female offspring at postnatal day (PND) 60. In addition, serum triglyceride and glucose levels were also significantly elevated. These results suggest that perinatal exposure to DES may be expected to increase the incidence of obesity in a sex-dependent manner and can act as a potential chemical stressor for obesity and obesity-related disorders. -- Highlights: ► DES induced adipocyte differentiation in a dose-dependent manner in 3T3-L1 cells. ► DES activated adipogenic critical regulators and markers in vitro and in vivo. ► Perinatal exposure to DES led to the obese phenotype in female offspring. ► DES might be a potential chemical stressor for obesity and obesity-related disorders.

  15. CX-001027: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Development of an Autogas Network (Des Plains)CX(s) Applied: A9, B2.5, B3.6, B5.1Date: 03/02/2010Location(s): Des Plaines, IllinoisOffice(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory

  16. CX-003913: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Iowa-City-Des MoinesCX(s) Applied: A1, A9, A11, B1.32, B5.1Date: 09/17/2010Location(s): Des Moines, IowaOffice(s): Energy Efficiency and Renewable Energy

  17. Memorial Lew Kowarski

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG J.Adams et d'autres intervenants rendent hommage à L.Kowarski (1907-1979), un des pionniers du Cern en 1952, né à St.Petersbourg et physicien, chimiste et ingénieur. Depuis sa retraite en 1972, il se consacra à l'enseignement et est conseiller des Nations Unies.

  18. Science and Society

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le conférencier (qui? L'introduction manque) est économiste et directeur d'un institut de recherche. Il parlera des conséquences économiques désastreuses des dépenses militaires.

  19. Sciences and society

    ScienceCinema (OSTI)

    None

    2011-04-25

    J.Luns des Pays-Bas, ancien sécétaire général de NATO (OTAN=Organisation du traité de l'Atlantique Nord) parle du passé, présent et future de la défense européenne et des relations est et ouest

  20. The new role of scientists

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le D.G. Jentschke fait l'introduction et présente le Prof.Kowarsky, spécialiste en microbiologie, physique nucléaire et une des fondateurs du Cern. Il parle entre autre de l'énergie nucléaire (pacifique)et de remise en questions des valeurs scientifiques et techniques

  1. CX-006016: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Energy Efficiency and Conservation Block Grant Program - Iowa-City-West Des MoinesCX(s) Applied: A1, A9, B2.5, B5.1Date: 05/27/2011Location(s): Des Moines, IowaOffice(s): Energy Efficiency and Renewable Energy

  2. CX-005264: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Illinois-City-Des PlainesCX(s) Applied: A9, B2.5, B3.6, B5.1Date: 02/15/2011Location(s): Des Plaines, IllinoisOffice(s): Energy Efficiency and Renewable Energy

  3. Iowa Water and Wastewater Operators Seek SEP Certification in New Pilot Program

    Broader source: Energy.gov [DOE]

    The Des Moines Metropolitan Wastewater Reclamation Authority (WRA) and Des Moines Water Works have committed to participate in the Superior Energy Performance (SEP) program as the first members of a new program pilot. SEP recognizes facilities that meet the ISO 50001 global energy management standard and demonstrate improved energy performance.

  4. Three years' experience with the offshore self-boring pressuremeter ''PAM''

    SciTech Connect (OSTI)

    Brucy, F.; Fay, J.B.; LeTirant, P.

    1984-05-01

    The Offshore Self-Boring Pressuremeter (PAM) has been developed by the Institut Francais du Petrole for geotechnical investigations in water depths up to 1000 meters. The PAM was first presented at the 1981 OTC. It mainly consists of a seabed frame from which a self-boring pressuremeter probe is operated. To date, the PAM has totaled nearly 450 meters of borehole depth and more than 200 pressuremeter tests. Investigations have been performed in a wide variety of soil types. The latest deepwater campaign was carried out successfully in the Mediterranean at a water depth of 625 meters. Extensive geotechnical information is obtained from a PAM boring operation. The use of the pressuremeter method for offshore investigations and foundation designing should open up very interesting prospects.

  5. Meeting Jentschke

    ScienceCinema (OSTI)

    None

    2011-04-25

    Après une introduction des dernières recherches et nouvelles au Cern, le DG W.Jentschke parle du futur management du Cern avec deux nouv directeurs générales, responsables pour les 5 ans prochains: le Dr.J.B.Adams qui s'occupera de l'administration du Cern et aussi de la construction des bâtiments et équipements et Le Dr.L.van Hove qui sera responsable pour les activités de la recherche. Le DG parle des changes et structures prévus, des services communs, des différentes divisions et leurs chefs etc...

  6. The Dark Energy Survey: More than dark energy - An overview

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Abbott, T.

    2016-03-21

    This overview article describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES early data. DES is using a wide-field camera (DECam) on the 4m Blanco Telescope in Chile to image 5000 sq deg of the sky in five filters (grizY). By its completion the survey is expected to have generated a catalogue of 300 million galaxies with photometric redshifts and 100 million stars. In addition, a time-domain survey search over 27 sq deg is expected to yield a sample of thousands of Type Ia supernovae andmore » other transients. The main goals of DES are to characterise dark energy and dark matter, and to test alternative models of gravity; these goals will be pursued by studying large scale structure, cluster counts, weak gravitational lensing and Type Ia supernovae. However, DES also provides a rich data set which allows us to study many other aspects of astrophysics. In this paper we focus on additional science with DES, emphasizing areas where the survey makes a difference with respect to other current surveys. The paper illustrates, using early data (from `Science Verification', and from the first, second and third seasons of observations), what DES can tell us about the solar system, the Milky Way, galaxy evolution, quasars, and other topics. In addition, we show that if the cosmological model is assumed to be Lambda+ Cold Dark Matter (LCDM) then important astrophysics can be deduced from the primary DES probes. Lastly, highlights from DES early data include the discovery of 34 Trans Neptunian Objects, 17 dwarf satellites of the Milky Way, one published z > 6 quasar (and more confirmed) and two published superluminous supernovae (and more confirmed).« less

  7. Mutual Insurance Company of West

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Step : On the right side of the homepage under "Identity The Protection," click on "Create Member Account." Once you log in, create an additional username and password to For more information call - - or visit ARAGLegalCenter.com. Limitations and exclusions apply. Insurance products are underwritten by ARAG Insurance Company of Des Moines, Iowa, GuideOne ® Mutual Insurance Company of West Des Moines, Iowa or GuideOne Specialty Mutual Insurance Company of West Des Moines,

  8. Two-dimensional electron gas in monolayer InN quantum wells

    SciTech Connect (OSTI)

    Pan, Wei; Dimakis, Emmanouil; Wang, George T.; Moustakas, Theodore D.; Tsui, Daniel C.

    2014-11-24

    We report in this letter experimental results that confirm the two-dimensional nature of the electron systems in monolayer InN quantum wells embedded in GaN barriers. The electron density and mobility of the two-dimensional electron system (2DES) in these InN quantum wells are 5×1015 cm-2 and 420 cm2 /Vs, respectively. Moreover, the diagonal resistance of the 2DES shows virtually no temperature dependence in a wide temperature range, indicating the topological nature of the 2DES.

  9. Two-dimensional electron gas in monolayer InN quantum wells

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Pan, Wei; Dimakis, Emmanouil; Wang, George T.; Moustakas, Theodore D.; Tsui, Daniel C.

    2014-11-24

    We report in this letter experimental results that confirm the two-dimensional nature of the electron systems in monolayer InN quantum wells embedded in GaN barriers. The electron density and mobility of the two-dimensional electron system (2DES) in these InN quantum wells are 5×1015 cm-2 and 420 cm2 /Vs, respectively. Moreover, the diagonal resistance of the 2DES shows virtually no temperature dependence in a wide temperature range, indicating the topological nature of the 2DES.

  10. Mass map shines light on dark matter | Argonne National Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Mass map shines light on dark matter By Sarah Schlieder * July 9, 2015 Tweet EmailPrint Dark matter may find it tougher to hide in our universe. An international team of researchers has developed a new map of the distribution of dark matter in the universe using data from the Dark Energy Survey (DES). The DES, underway at the Blanco telescope in Chile, is a cosmological galaxy survey that will map approximately an eighth of the visible sky. The primary aim of the DES is to better characterize

  11. MEMORANDUM OF UNDERSTANDING Among THE UNITED STATES DEPARTMENT...

    Broader source: Energy.gov (indexed) [DOE]

    The proposed HVDC transmission line would originate at Des Cantons, Quebec, Canada, cross the U.S.-Canada border, and terminate at a location in southern New Hampshire. The Project ...

  12. Cosmology constraints from shear peak statistics in Dark Energy...

    Office of Scientific and Technical Information (OSTI)

    varying Omegarm m and sigma8, fixing w -1, Omegarm b 0.04, h 0.7 and ns1, to which we have applied the DES SV mask and redshift distribution. ...

  13. CX-004386: Categorical Exclusion Determination

    Office of Energy Efficiency and Renewable Energy (EERE)

    Chicago Area Alternative Fuels Deployment ProjectCX(s) Applied: B5.1Date: 11/04/2010Location(s): Des Plaines, IllinoisOffice(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory

  14. Fragment Screen against HIV Protease: Discovery of Two Allosteric...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Screen against HIV Protease. Chem. Biol. Drug Des. 75: 257-268. References Brenner, B., Routy, J-P., Quan, Y., Moisi, D., Oliveira, M., Turner, D., Wainberg, M. A. &...

  15. West Burlington, Iowa: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. West Burlington is a city in Des Moines County, Iowa. It falls under Iowa's 2nd...

  16. Workplace Charging Challenge Partner: Schneider Electric

    Broader source: Energy.gov [DOE]

    Joined the Challenge: March 2013Headquarters: Palatine, ILCharging Locations: Cedar Rapids, IA; Palatine, IL; O'Fallon, MO; Des Plaines, IL; Knightdale, NC; West Kingston, RI; North Andover, MA;...

  17. Churches and Apartheid

    SciTech Connect (OSTI)

    2006-01-16

    Lucas Vischer fait parti du concile mondial des glises et nous parle d'eglises et d'apartheid en Afrique du Sud et se pose la question d'un changement sans violence.....

  18. Photometric Redshifts for the Dark Energy Survey and VISTA and...

    Office of Scientific and Technical Information (OSTI)

    the photometric redshift estimate by a factor of two at z > 1. We draw attention to the ... By removing all galaxies with a 1sigma photo-z scatter greater than 0.1 from our DES+VHS ...

  19. CX-004285: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Indigo Dawn Green and Main Street ProjectCX(s) Applied: A9, B5.1Date: 10/20/2010Location(s): Des Moines, IowaOffice(s): Energy Efficiency and Renewable Energy, Golden Field Office

  20. Renewable Energy Research | Open Energy Information

    Open Energy Info (EERE)

    Research Jump to: navigation, search Name: Renewable Energy Research Address: 2113 C Boulevard St Regis Place: Dollard des Ormeaux Zip: H9B 2M9 Region: Canada Sector: Marine and...

  1. Churches and Apartheid

    ScienceCinema (OSTI)

    None

    2011-04-25

    Lucas Vischer fait parti du concile mondial des églises et nous parle d'eglises et d'apartheid en Afrique du Sud et se pose la question d'un changement sans violence.....

  2. CX-003877: Categorical Exclusion Determination

    Office of Energy Efficiency and Renewable Energy (EERE)

    Hybrid Membrane/Absorption Process for Post-Combustion Carbon Dioxide CaptureCX(s) Applied: B3.6Date: 09/10/2010Location(s): Des Plaines, IllinoisOffice(s): Fossil Energy, National Energy Technology Laboratory

  3. DG's Meeting

    ScienceCinema (OSTI)

    None

    2011-04-25

    Exposés du DG H.Schopper, Blackburne et du président du comité des finances concernant le budget, salaires, pensions etc...avec discussion et questions

  4. Mutual Insurance Company of West

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    call 800-247-4184 or visit ARAGLegalCenter.com. Limitations and exclusions apply. Insurance products are underwritten by ARAG Insurance Company of Des Moines, Iowa, GuideOne ...

  5. Science and Society-Consequences of engineering

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le conférencier Mons.Rorsch parle des possibles conséquences économiques et culturelles de la technologie en générale, aussi pour l'environnement

  6. Eyes Witness Report on South Vietnam

    ScienceCinema (OSTI)

    None

    2011-04-25

    Mons. Nielson, conseiller des Etats Unis auprès de L'ONU, apporte son témoignage et exprime son opinion quand à la guerre du Vietnam (Sud)

  7. Expo NL inauguration

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG H.Schopper souhaite la bienvenue à toutes les personnes présentes. Plusieurs discours à l'occasion de l'inauguration officielle de l'expo des Pays-Bas.

  8. Fermilab Today

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Russia. Read more Frontier Science Result: DES The Dark Energy Survey looks at massive galaxy clusters - and finds filaments With data from the new DECam imager, the Dark Energy...

  9. TO: Honorable Patricia Hoffman, Assistant Secretary for Electricity...

    Broader source: Energy.gov (indexed) [DOE]

    March 18, 2016 RE: National Distributed Energy Storage in the Electric Grid 1. Executive ... For the purpose of this review, DES is defined as an energy storage element or system ...

  10. Inauguration SC

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG W.Jentschke ouvre l'inauguration du Syncro Cyclotron (8') et remercie Mons. Michaelis qui prend la parole (30') avant Mons. Wilkinson (53') qui parle du futur de la machine avec présentation des dias.

  11. Information Meeting- Education

    ScienceCinema (OSTI)

    None

    2011-04-25

    Suite à un circulaire, Messieurs Goldschmidt et Ullmann donnent plus d'information et attendent des questions/réponses concernant les problèmes d'éducation d'enfants

  12. Category:SmallHotel | Open Energy Information

    Open Energy Info (EERE)

    Cleveland OH Ohio Power Co.png SVSmallHotel Cleveland... 68 KB SVSmallHotel Concord NH Public Service Co of NH.png SVSmallHotel Concord N... 71 KB SVSmallHotel Des Moines IA...

  13. HyRadix Inc | Open Energy Information

    Open Energy Info (EERE)

    search Name: HyRadix Inc Place: Des Plaines,, Illinois Zip: IL 60018-1 Sector: Hydro, Hydrogen Product: The company aims to develop and supply small-scale hydrogen generation...

  14. Multinational societies and syndicates

    ScienceCinema (OSTI)

    None

    2011-04-25

    Monsieur Charles Levinson, par la longue expérience qu'il a acquise au contact des sociétés multinationales et syndicats, nous en parle ce soir

  15. CX-000339: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Chicago Area Alternative Fuel Deployment ProjectCX(s) Applied: A1, A9Date: 12/10/2009Location(s): Des Plaines, IllinoisOffice(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory

  16. Meditation and Reality

    ScienceCinema (OSTI)

    None

    2011-04-25

    A.Sujata demande dans son exposé entre autre à ceux/celles des auditeurs/trices qui sont heureux/ses, de lever la main.....qu'est le bonheur?

  17. Senior Staff Meeting

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG C.Rubbia informe sur les négociations avec le personnel, les discussions avec le conseil d'administration et le budget, suivi des questions

  18. Colloquy Niels Bohr

    ScienceCinema (OSTI)

    None

    2011-04-25

    Célébration du 100me anniversaire de Niels Bohr (1885 - 1962), un des fondateurs de la physique moderne. Plusieurs orateurs parlent de cet homme et le développement de la physique

  19. Gestational exposure to diethylstilbestrol alters cardiac structure/function, protein expression and DNA methylation in adult male mice progeny

    SciTech Connect (OSTI)

    Haddad, Rami, E-mail: rami.haddad@mail.mcgill.ca [Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montral, Qubec, Canada H3T 1E2 (Canada) [Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montral, Qubec, Canada H3T 1E2 (Canada); Division of Experimental Medicine, Department of Medicine, McGill University, 850 Sherbrooke Street, Montral, Qubec, Canada H3A 1A2 (Canada); Kasneci, Amanda, E-mail: amanda.kasneci@mail.mcgill.ca [Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montral, Qubec, Canada H3T 1E2 (Canada)] [Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montral, Qubec, Canada H3T 1E2 (Canada); Mepham, Kathryn, E-mail: katherine.mepham@mail.mcgill.ca [Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montral, Qubec, Canada H3T 1E2 (Canada) [Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montral, Qubec, Canada H3T 1E2 (Canada); Division of Experimental Medicine, Department of Medicine, McGill University, 850 Sherbrooke Street, Montral, Qubec, Canada H3A 1A2 (Canada); Sebag, Igal A., E-mail: igal.sebag@mcgill.ca [Division of Cardiology, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montral, Qubec, Canada H3T 1E2 (Canada); and others

    2013-01-01

    Pregnant women, and thus their fetuses, are exposed to many endocrine disruptor compounds (EDCs). Fetal cardiomyocytes express sex hormone receptors making them potentially susceptible to re-programming by estrogenizing EDCs. Diethylstilbestrol (DES) is a proto-typical, non-steroidal estrogen. We hypothesized that changes in adult cardiac structure/function after gestational exposure to the test compound DES would be a proof in principle for the possibility of estrogenizing environmental EDCs to also alter the fetal heart. Vehicle (peanut oil) or DES (0.1, 1.0 and 10.0 ?g/kg/da.) was orally delivered to pregnant C57bl/6n dams on gestation days 11.514.5. At 3 months, male progeny were left sedentary or were swim trained for 4 weeks. Echocardiography of isoflurane anesthetized mice revealed similar cardiac structure/function in all sedentary mice, but evidence of systolic dysfunction and increased diastolic relaxation after swim training at higher DES doses. The calcium homeostasis proteins, SERCA2a, phospholamban, phospho-serine 16 phospholamban and calsequestrin 2, are important for cardiac contraction and relaxation. Immunoblot analyses of ventricle homogenates showed increased expression of SERCA2a and calsequestrin 2 in DES mice and greater molecular remodeling of these proteins and phospho-serine 16 phospholamban in swim trained DES mice. DES increased cardiac DNA methyltransferase 3a expression and DNA methylation in the CpG island within the calsequestrin 2 promoter in heart. Thus, gestational DES epigenetically altered ventricular DNA, altered cardiac function and expression, and reduced the ability of adult progeny to cardiac remodel when physically challenged. We conclude that gestational exposure to estrogenizing EDCs may impact cardiac structure/function in adult males. -- Highlights: ? Gestational DES changes cardiac SERCA2a and CASQ2 expression. ? Echocardiography identified systolic dysfunction and increased diastolic relaxation. ? DES increased DNMT

  20. Discovery of two gravitationally lensed quasars in the Dark Energy Survey

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Agnello, A.

    2015-10-01

    In this study, we present spectroscopic confirmation of two new lensed quasars via data obtained at the 6.5m Magellan/Baade Telescope. The lens candidates have been selected from the Dark Energy Survey (DES) and WISE based on their multi-band photometry and extended morphology in DES images. Images of DES J0115-5244 show two blue point sources at either side of a red galaxy. Our long-slit data confirm that both point sources are images of the same quasar at zs = 1.64. The Einstein Radius estimated from the DES images is 0.51''. DES J2146-0047 is in the area of overlap between DES andmore » the Sloan Digital Sky Survey (SDSS). Two blue components are visible in the DES and SDSS images. The SDSS fiber spectrum shows a quasar component at zs = 2.38 and absorption compatible with Mg II and Fe II at zl = 0.799, which we tentatively associate with the foreground lens galaxy. The long-slit Magellan spectra show that the blue components are resolved images of the same quasar. Furthermore, the Einstein Radius is 0.68'' corresponding to an enclosed mass of 1.6 × 1011 M⊙. Three other candidates were observed and rejected, two being low-redshift pairs of starburst galaxies, and one being a quasar behind a blue star. These first confirmation results provide an important empirical validation of the data-mining and model-based selection that is being applied to the entire DES dataset.« less

  1. Personnel

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le président du conseil M.Doran explique la décision que le conseil du Cern vient de prendre sur la 4.étape du régime complémentaire des pensions. Le président du comité des finances le Dr.Andersen ainsi que le Prof.Connor(?) prennent aussi la parole

  2. Senior Staff Meeting

    ScienceCinema (OSTI)

    None

    2011-04-25

    Herbert Lengler fait l'introduction et remercie le DG, les directeurs et le vice président de l'association du personnel pour leur présence. Il parlera des activités depuis la dernière réunion et fera des commentaires sur l'"Abragam Commitee Final Report". Une discussion suivra sur plusieurs points importants.

  3. Discovery of two gravitationally lensed quasars in the Dark Energy Survey

    SciTech Connect (OSTI)

    Agnello, A.

    2015-10-01

    In this study, we present spectroscopic confirmation of two new lensed quasars via data obtained at the 6.5m Magellan/Baade Telescope. The lens candidates have been selected from the Dark Energy Survey (DES) and WISE based on their multi-band photometry and extended morphology in DES images. Images of DES J0115-5244 show two blue point sources at either side of a red galaxy. Our long-slit data confirm that both point sources are images of the same quasar at zs = 1.64. The Einstein Radius estimated from the DES images is 0.51''. DES J2146-0047 is in the area of overlap between DES and the Sloan Digital Sky Survey (SDSS). Two blue components are visible in the DES and SDSS images. The SDSS fiber spectrum shows a quasar component at zs = 2.38 and absorption compatible with Mg II and Fe II at zl = 0.799, which we tentatively associate with the foreground lens galaxy. The long-slit Magellan spectra show that the blue components are resolved images of the same quasar. Furthermore, the Einstein Radius is 0.68'' corresponding to an enclosed mass of 1.6 1011 M?. Three other candidates were observed and rejected, two being low-redshift pairs of starburst galaxies, and one being a quasar behind a blue star. These first confirmation results provide an important empirical validation of the data-mining and model-based selection that is being applied to the entire DES dataset.

  4. Structural and functional characterization of human and murine C5a anaphylatoxins

    SciTech Connect (OSTI)

    Schatz-Jakobsen, Janus Asbjrn; Yatime, Laure Larsen, Casper; Petersen, Steen Vang; Klos, Andreas; Andersen, Gregers Rom

    2014-06-01

    The structure of the human C5aR antagonist, C5a-A8, reveals a three-helix bundle conformation similar to that observed for human C5a-desArg, whereas murine C5a and C5a-desArg both form the canonical four-helix bundle. These conformational differences are discussed in light of the differential C5aR activation properties observed for the human and murine complement anaphylatoxins across species. Complement is an ancient part of the innate immune system that plays a pivotal role in protection against invading pathogens and helps to clear apoptotic and necrotic cells. Upon complement activation, a cascade of proteolytic events generates the complement effectors, including the anaphylatoxins C3a and C5a. Signalling through their cognate G-protein coupled receptors, C3aR and C5aR, leads to a wide range of biological events promoting inflammation at the site of complement activation. The function of anaphylatoxins is regulated by circulating carboxypeptidases that remove their C-terminal arginine residue, yielding C3a-desArg and C5a-desArg. Whereas human C3a and C3a-desArg adopt a canonical four-helix bundle fold, the conformation of human C5a-desArg has recently been described as a three-helix bundle. Here, the crystal structures of an antagonist version of human C5a, A8{sup ?7173}, and of murine C5a and C5a-desArg are reported. Whereas A8{sup ?7173} adopts a three-helix bundle conformation similar to human C5a-desArg, the two murine proteins form a four-helix bundle. A cell-based functional assay reveals that murine C5a-desArg, in contrast to its human counterpart, exerts the same level of activition as murine C5a on its cognate receptor. The role of the different C5a conformations is discussed in relation to the differential activation of C5a receptors across species.

  5. Modeling overpressures in sedimentary basins: Consequences for permeability and rheology of shales, and petroleum expulsion efficiency

    SciTech Connect (OSTI)

    Burrus, J.; Schneider, F.; Wolf, S. )

    1994-07-01

    The prediction of overpressures using Institut Francais du Petrole's 2-D numerical model TEMISPACK is applied to several provinces of the world. In the Paris basin, France, normally pressured Liassic shales are shown to have permeabilities around a microdarcy, independently confirmed by laboratory measurements. In contrast, in the Norway section of the North Sea, Williston Basin, Canada, Gulf Coast, and in the Mahakam delta, observed overpressures of 10-50 MPa are consistently modeled with shale permeabilities around 1-10 nanodarcys. This theoretical value fits well with the lowest permeability measured in compacted shales. For these basins, compaction disequilibrium was found to explain most (>85%) of the overpressures. The only exception was the Williston basin in which overpressures observed in the organic-rich Bakken shales are entirely due to hydrocarbon generation. In Mahakam delta, the rheology of shales is nonlinear, i.e., the strength of shales increases rapidly with death. Consequently, shale compaction cannot be described by the linear behavior often assumed in hydrology. In the absence of fault barriers, numerical simulations and geological evidence suggest that overpressured source rocks have low or very low expulsion efficiency, irrespective of their organic content. However, shales with a permeability on the order of a microdarcy do not hinder petroleum migration.

  6. The generation of efficient supported (Heterogeneous) olefin metathesis catalysts

    SciTech Connect (OSTI)

    Grubbs, Robert H

    2013-04-05

    Over the past decade, a new family of homogeneous metathesis catalysts has been developed that will tolerate most organic functionalities as well as water and air. These homogeneous catalysts are finding numerous applications in the pharmaceutical industry as well as in the production of functional polymers. In addition the catalysts are being used to convert seed oils into products that can substitute for those that are now made from petroleum products. Seed oils are unsaturated, contain double bonds, and are a ready source of linear hydrocarbon fragments that are specifically functionalized. To increase the number of applications in the area of biomaterial conversion to petrol chemicals, the activity and efficiency of the catalysts need to be as high as possible. The higher the efficiency of the catalysts, the lower the cost of the conversion and a larger number of practical applications become available. Active supported catalysts were prepared and tested in the conversion of seed oils and other important starting materials. The outcome of the work was successful and the technology has been transferred to a commercial operation to develop viable applications of the discovered systems. A biorefinery that converts seed oils is under construction in Indonesia. The catalysts developed in this study will be considered for the next generation of operations.

  7. Elf well turns 90/degree/- and stays there

    SciTech Connect (OSTI)

    Astier, B.; Jourdan, A.; Baron, G.

    1981-01-01

    As part of an intensive research program, the French association IFP (Institut Francais du Petrole) and Elf-Aquitaine have drilled the first European horizontal hole. The well was spudded conventionally and then deviated so that its final path was horizontal, 2,198 ft (670 m) below the surface. More than 330 ft (100 m) were drilled between 89/degree/ and 92/degree/ of inclination. The project started with reservoir engineering studies aimed at demonstrating, on mathematical models, the effectiveness of a horizontal drain hole in areas where hydrocarbon recovery is poor or unsatisfactory, due to gas or water coning, poor flooding patterns, intersection of fractures in tight but fractured producing formations, or other causes. This technique has a number of potential applications both in and out of the oil industry. The well was drilled in 44 days. Horizontal displacement was 2,192 ft (668 m) with a total vertical depth of 2,198 ft (670 m). To accomplish this, it was necessary to drill 3,563 ft (1,086 m) of hole. In the 17/one-half/-in. hole, 73/4-in. drill collars and 5-in. heavy weight drill pipe were run above the bent sub and the monel collar. While reaming the hole, the drill string was rotated conventionally, one near bit and one stabilizer (30 ft above) being included in the string.

  8. Development of a New Stratigraphic Trap Exploration Using Elastic-Wave Seismic Technology

    SciTech Connect (OSTI)

    Bryan DeVault

    2008-02-05

    Vecta acquired 9 square miles of 9-C seismic data in Mountrail County, North Dakota with the Mission Canyon shoreline as a primary target. Vecta contracted the Institute Francais du Petrole in order to co-develop a more rigorous multicomponent seismic interpretation product. The final interpretation was very unique in that it utilized not only the 9-C seismic data but also the new jointly developed software. A Mission Canyon anomaly was developed in 2006; however, it was of insufficient size to be a commercial target at the time. Therefore, Vecta analyzed the shear data for anisotropy within the Bakken formation and successfully reentered an abandoned producer within the project area and drilled a horizontal leg through the anomalous zones of the middle member of the Bakken formation. The well was open hole completed, swab tested, sand fraced, and swab tested some more. No shows of oil were ever seen from the Bakken formation, but the well yielded considerable amounts of formation water. The well has been abandoned as non-commercial. From the swab tests, one may conclude considerable permeability exists in the formation, thus confirming the utility of the shear wave to detect fractures within the targeted formation.

  9. Oil and gas developments in New Zealand and southwest Pacific islands in 1982. [Papua New Guinea; Fiji

    SciTech Connect (OSTI)

    Katz, H.R.

    1983-10-01

    New Zealand experienced a marked increase in activity. Concession holdings went up 205% onshore to 62,429 km/sup 2/, and 31% offshore to 215,439 km/sup 2/. Seismic coverage more than doubled both onshore and offshore, to 1,075 and 15,321 line-km, respectively. Several new targets have been delineated offshore, and 2 drillships are scheduled to arrive in the country and start drilling during 1983. Onshore, the total depth drilled more than doubled to 18,993 m. Drilling was concentrated in the recently discovered McKee field, where 2 additional oil producers were completed, and on 3 other structures nearby, where 1 well tested gas and condensate. Production of gas and condensate from the Kapuni and Maui fields combined was 2,177.122 X 10/sup 6/ m/sup 3/ (up 69.3%) and 865,454 m/sup 3/ (up 57.3%), respectively. Expansion of the only refinery in New Zealand and the realization of large petrochemical projects using natural gas are well under way. These projects include an ammonia-urea plant, which was completed by year end, a methanol plant, and a methanol-to-synthetic petrol plant now under construction.

  10. Te

    U.S. Energy Information Administration (EIA) Indexed Site

    10°W 20°W 30°W 40°W 50°W 60°W 70°W 70°W 80°W 80°W 90°W 90°W 100°W 100°W 110°W 110°W 120°W 120°W 130°W 130°W 140°W 140°W 150°W 150°W 160°W 170°W 180° 170°E 160°E 150°E 140°E 70°N 70°N 60°N 60°N 50°N 50°N 40°N 40°N 30°N 30°N 20°N 20°N 10°N 10°N 0 250 500 750 1,000 125 Miles / Millas / Milles 1:12 000 000 Coal Carbón Charbon Petroleum Petrolíferos Pétrole Geothermal Geotérmica Géothermie Hydroelectric Hidroeléctrica Hydroélectrique Natural Gas Gas

  11. Synthesis and characterization of ferrite materials for thermochemical CO2 splitting using concentrated solar energy.

    SciTech Connect (OSTI)

    Stechel, Ellen Beth; Ambrosini, Andrea; Coker, Eric Nicholas; Rodriguez, Mark Andrew; Miller, James Edward; Evans, Lindsey R.; Livers, Stephanie

    2010-07-01

    The Sunshine to Petrol effort at Sandia aims to convert carbon dioxide and water to precursors for liquid hydrocarbon fuels using concentrated solar power. Significant advances have been made in the field of solar thermochemical CO{sub 2}-splitting technologies utilizing yttria-stabilized zirconia (YSZ)-supported ferrite composites. Conceptually, such materials work via the basic redox reactions: Fe{sub 3}O{sub 4} {yields} 3FeO + 0.5O{sub 2} (Thermal reduction, >1350 C) and 3FeO + CO{sub 2} {yields} Fe{sub 3}O{sub 4} + CO (CO{sub 2}-splitting oxidation, <1200 C). There has been limited fundamental characterization of the ferrite-based materials at the high temperatures and conditions present in these cycles. A systematic study of these composites is underway in an effort to begin to elucidate microstructure, structure-property relationships, and the role of the support on redox behavior under high-temperature reducing and oxidizing environments. In this paper the synthesis, structural characterization (including scanning electron microscopy and room temperature and in-situ x-ray diffraction), and thermogravimetric analysis of YSZ-supported ferrites will be reported.

  12. Synthesis and characterization of metal oxide materials for thermochemical CO2 splitting using concentrated solar energy.

    SciTech Connect (OSTI)

    Stechel, Ellen Beth; Ambrosini, Andrea; Coker, Eric Nicholas; Rodriguez, Mark Andrew; Miller, James Edward; Evans, Lindsey R.; Livers, Stephanie

    2010-07-01

    The Sunshine to Petrol effort at Sandia aims to convert carbon dioxide and water to precursors for liquid hydrocarbon fuels using concentrated solar power. Significant advances have been made in the field of solar thermochemical CO{sub 2}-splitting technologies utilizing yttria-stabilized zirconia (YSZ)-supported ferrite composites. Conceptually, such materials work via the basic redox reactions: Fe{sub 3}O{sub 4} {yields} 3FeO + 0.5O{sub 2} (Thermal reduction, >1350 C) and 3FeO + CO{sub 2} {yields} Fe{sub 3}O{sub 4} + CO (CO{sub 2}-splitting oxidation, <1200 C). There has been limited fundamental characterization of the ferrite-based materials at the high temperatures and conditions present in these cycles. A systematic study of these composites is underway in an effort to begin to elucidate microstructure, structure-property relationships, and the role of the support on redox behavior under high-temperature reducing and oxidizing environments. In this paper the synthesis, structural characterization (including scanning electron microscopy and room temperature and in-situ x-ray diffraction), and thermogravimetric analysis of YSZ-supported ferrites will be reported.

  13. DESAlert: Enabling real-time transient follow-up with Dark Energy Survey data

    SciTech Connect (OSTI)

    Poci, A.

    2015-04-12

    The Dark Energy Survey (DES) is currently undertaking an observational program imaging 1/4 of the southern hemisphere sky with unprecedented photometric accuracy. In the process of observing millions of faint stars and galaxies to constrain the parameters of the dark energy equation of state, the DES will obtain pre-discovery images of the regions surrounding an estimated 100 gamma-ray bursts (GRBs) over five years. Once GRBs are detected by, e.g., the Swift satellite, the DES data will be extremely useful for follow-up observations by the transient astronomy community. We describe a recently-commissioned suite of software that listens continuously for automated notices of GRB activity, collates useful information from archival DES data, and promulgates relevant data products back to the community in near-real-time. Of particular importance are the opportunities that DES data provide for relative photometry of GRBs or their afterglows, as well as for identifying key characteristics (e.g., photometric redshifts) of potential GRB host galaxies. We provide the functional details of the DESAlert software as it presently operates, as well as the data products that it produces, and we show sample results from the application of DESAlert to several previously-detected GRBs.

  14. Digging deeper into the Southern skies: A compact Milky Way companion discovered in first-year Dark Energy Survey data

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Luque, E.

    2016-02-09

    Here, the Dark Energy Survey (DES) is a 5000 sq. degree survey in the southern hemisphere, which is rapidly reducing the existing north-south asymmetry in the census of MW satellites and other stellar substructure. We use the first-year DES data down to previously unprobed photometric depths to search for stellar systems in the Galactic halo, therefore complementing the previous analysis of the same data carried out by our group earlier this year. Our search is based on a matched filter algorithm that produces stellar density maps consistent with stellar population models of various ages, metallicities, and distances over the surveymore » area. The most conspicuous density peaks in these maps have been identified automatically and ranked according to their significance and recurrence for different input models. We report the discovery of one additional stellar system besides those previously found by several authors using the same first-year DES data. The object is compact, and consistent with being dominated by an old and metal-poor population. DES J0034-4902 is found at high significance and appears in the DES images as a compact concentration of faint blue point sources at ~ 87 {kpc}.« less

  15. Voyage dans le noir. Trous noirs, matière noire, énergie noire et antimatière

    ScienceCinema (OSTI)

    None

    2011-10-06

    Et si nous faisions avec les physiciens un voyage dans le noir ? De l'astrophysique à la physique des particules les trois noirs, la matière noire, l'énergie noire ou l?antimatière intriguent et fascinent. Que sont ces objets qui bousculent nos idées et qui véhiculent parfois des craintes irraisonnées? Luis Alvarez-Gaume, Michael Doser et Christophe Grojean, physiciens du CERN vous invitent à mettre en lumière (!) les constituants de base de la matière et à explorer les mystères de la physique contemporaine. Une soirée lumineuse pour éclairer des concepts et ne plus avoir peur du noir.

  16. Air-gap gating of MgZnO/ZnO heterostructures

    SciTech Connect (OSTI)

    Tambo, T.; Falson, J. Kozuka, Y.; Maryenko, D.; Tsukazaki, A.; Kawasaki, M.

    2014-08-28

    The adaptation of air-gap dielectric based field-effect transistor technology to controlling the MgZnO/ZnO heterointerface confined two-dimensional electron system (2DES) is reported. We find it possible to tune the charge density of the 2DES via a gate electrode spatially separated from the heterostructure surface by a distance of 5??m. Under static gating, the observation of the quantum Hall effect suggests that the charge carrier density remains homogeneous, with the 2DES in the 3?mm square sample the sole conductor. The availability of this technology enables the exploration of the charge carrier density degree of freedom in the pristine sample limit.

  17. Conference B.Bettelheim

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le Dr.Bruno Bettelheim, psychologue américain, d'origine viennoise, a passé son doctorat en psychologie à l'université de Vienne. Il émigra aux Etats-Unis et enseigna la psychologie au Rockford College en Illinois et la psychologie de l'éducation à L'université de Chicago, où il dirigea également l'institut orthogénique Sonia-Shankman pour le traitement des enfants psychotiques. Cet homme a bouleversé la compréhension des relations parents et enfants en y introduisant la psychanalyse. Basé sur ses expériences aux Etats-Unis,il nous parle des changements dans la structure de la famille et ses conséquences pour la relation entre enfants et parents.

  18. Eight ultra-faint galaxy candidates discovered in year two of the Dark Energy Survey

    SciTech Connect (OSTI)

    Drlica-Wagner, A.

    2015-11-04

    We report the discovery of eight new ultra-faint dwarf galaxy candidates in the second year of optical imaging data from the Dark Energy Survey (DES). Six of these candidates are detected at high confidence, while two lower-confidence candidates are identified in regions of non-uniform survey coverage. The new stellar systems are found by three independent automated search techniques and are identified as overdensities of stars, consistent with the isochrone and luminosity function of an old and metal-poor simple stellar population. The new systems are faint (MV > -4.7 ) and span a range of physical sizes (17 pc < r1/2 < 181pc) and heliocentric distances (25 kpc < D < 214 kpc). All of the new systems have central surface brightnesses consistent with known ultra-faint dwarf galaxies (μ 27.5 mag arcsec -2). Roughly half of the DES candidates are more distant, less luminous, and/or have lower surface brightnesses than previously known Milky Way satellite galaxies. Most of the candidates are found in the southern part of the DES footprint close to the Magellanic Clouds. We find that the DES data alone exclude (p < 10-3) a spatially isotropic distribution of Milky Way satellites and that the observed distribution can be well, though not uniquely, described by an association between several of the DES satellites and the Magellanic system. Furthermore, our model predicts that the full sky may hold ~100 ultra-faint galaxies with physical properties comparable to the DES satellites and that 20%–30% of these would be spatially associated with the Magellanic Clouds.

  19. Eight ultra-faint galaxy candidates discovered in year two of the Dark Energy Survey

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Drlica-Wagner, A.

    2015-11-04

    We report the discovery of eight new ultra-faint dwarf galaxy candidates in the second year of optical imaging data from the Dark Energy Survey (DES). Six of these candidates are detected at high confidence, while two lower-confidence candidates are identified in regions of non-uniform survey coverage. The new stellar systems are found by three independent automated search techniques and are identified as overdensities of stars, consistent with the isochrone and luminosity function of an old and metal-poor simple stellar population. The new systems are faint (MV > -4.7 ) and span a range of physical sizes (17 pc < r1/2more » < 181pc) and heliocentric distances (25 kpc < D⊙ < 214 kpc). All of the new systems have central surface brightnesses consistent with known ultra-faint dwarf galaxies (μ 27.5 mag arcsec -2). Roughly half of the DES candidates are more distant, less luminous, and/or have lower surface brightnesses than previously known Milky Way satellite galaxies. Most of the candidates are found in the southern part of the DES footprint close to the Magellanic Clouds. We find that the DES data alone exclude (p < 10-3) a spatially isotropic distribution of Milky Way satellites and that the observed distribution can be well, though not uniquely, described by an association between several of the DES satellites and the Magellanic system. Furthermore, our model predicts that the full sky may hold ~100 ultra-faint galaxies with physical properties comparable to the DES satellites and that 20%–30% of these would be spatially associated with the Magellanic Clouds.« less

  20. Laboratory evaluation of dynamic traffic assignment systems: Requirements, framework, and system design

    SciTech Connect (OSTI)

    Miaou, S.-P.; Pillai, R.S.; Summers, M.S.; Rathi, A.K.; Lieu, H.C.

    1997-01-01

    The success of Advanced Traveler Information 5ystems (ATIS) and Advanced Traffic Management Systems (ATMS) depends on the availability and dissemination of timely and accurate estimates of current and emerging traffic network conditions. Real-time Dynamic Traffic Assignment (DTA) systems are being developed to provide the required timely information. The DTA systems will provide faithful and coherent real-time, pre-trip, and en-route guidance/information which includes routing, mode, and departure time suggestions for use by travelers, ATIS, and ATMS. To ensure the credibility and deployment potential of such DTA systems, an evaluation system supporting all phases of DTA system development has been designed and presented in this paper. This evaluation system is called the DTA System Laboratory (DSL). A major component of the DSL is a ground- truth simulator, the DTA Evaluation System (DES). The DES is envisioned to be a virtual representation of a transportation system in which ATMS and ATIS technologies are deployed. It simulates the driving and decision-making behavior of travelers in response to ATIS and ATMS guidance, information, and control. This paper presents the major evaluation requirements for a DTA Systems, a modular modeling framework for the DES, and a distributed DES design. The modeling framework for the DES is modular, meets the requirements, can be assembled using both legacy and independently developed modules, and can be implemented as a either a single process or a distributed system. The distributed design is extendible, provides for the optimization of distributed performance, and object-oriented design within each distributed component. A status report on the development of the DES and other research applications is also provided.

  1. EVIDENCE FOR THE DISKY ORIGIN OF LUMINOUS VIRGO DWARF ELLIPTICALS FROM THE KINEMATICS OF THEIR GLOBULAR CLUSTER SYSTEMS

    SciTech Connect (OSTI)

    Beasley, Michael A.; Cenarro, A. Javier; Brodie, Jean P. E-mail: cenarro@iac.es E-mail: brodie@ucolick.org

    2009-06-15

    We report evidence for dynamically significant rotation in the globular cluster systems of two luminous Virgo dwarf ellipticals, VCC1261 and VCC1528. Including previous results for VCC1087, the globular cluster systems of all three Virgo dwarf ellipticals studied in detail to date exhibit v {sub rot}/{sigma}{sub los}>1. Taking the rotation seen in the globular clusters as a maximal disk rotation, and accounting for the possible fading of any hypothetical progenitor galaxy, we find all three dwarf elliptical galaxies (dEs) lie on the r-band Tully-Fisher relation. We argue that these data support the hypothesis that luminous dEs are the remnants of transformed disk galaxies. We also obtained deep, longslit data for the stars in VCC1261 and VCC1528. Both these galaxies show rapid rotation in their inner regions, with spatial scales of {approx}0.5 kpc. These rotation velocities are surprisingly similar to those seen in the globular cluster systems. At larger radii, we see little rotation in the dEs themselves. Since our longslit data for Virgo dEs extend out to 1-2 effective radii (typical of deep observations), whereas the globular clusters extend out to 4-7 effective radii, we conclude that nondetections of rotation in many luminous dEs may simply be due to a lack of radial coverage in the stellar data, and that globular clusters represent singularly sensitive probes of the dynamics of dEs. Based on these data, we suggest that gas disks are significant sites of globular cluster formation in the early universe.

  2. Dark Energy | Argonne National Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Dark Energy Dark Energy The Dark Energy Survey (DES) is a joint project between the U.S. Department of Energy and the National Science Foundation to study the nature of dark matter and dark energy. Dark matter and energy are believed to make up 95 percent of the universe, and their origin and composition are completely unknown. The DES has built a new 520 mega-pixel CCD camera for an existing 4-meter telescope in Chile that will be used for a five-year program of observations. These new

  3. The Dark Energy Survey: Prospects for resolved stellar populations

    SciTech Connect (OSTI)

    Rossetto, Bruno M.; Santiago, Basílio X.; Girardi, Léo; Camargo, Julio I. B.; Balbinot, Eduardo; da Costa, Luiz N.; Yanny, Brian; Maia, Marcio A. G.; Makler, Martin; Ogando, Ricardo L. C.; Pellegrini, Paulo S.; Ramos, Beatriz; de Simoni, Fernando; Armstrong, R.; Bertin, E.; Desai, S.; Kuropatkin, N.; Lin, H.; Mohr, J. J.; Tucker, D. L.

    2011-05-06

    Wide angle and deep surveys, regardless of their primary purpose, always sample a large number of stars in the Galaxy and in its satellite system. We here make a forecast of the expected stellar sample resulting from the Dark Energy Survey and the perspectives that it will open for studies of Galactic structure and resolved stellar populations in general. An estimated 1.2 x 108 stars will be sampled in DES grizY filters in the southern equatorial hemisphere. This roughly corresponds to 20% of all DES sources. Most of these stars belong to the stellar thick disk and halo of the Galaxy.

  4. THE DARK ENERGY SURVEY: PROSPECTS FOR RESOLVED STELLAR POPULATIONS

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Rossetto, Bruno M.; Santiago, Baslio X.; Girardi, Lo; Camargo, Julio I. B.; Balbinot, Eduardo; da Costa, Luiz N.; Yanny, Brian; Maia, Marcio A. G.; Makler, Martin; Ogando, Ricardo L. C.; et al

    2011-06-01

    Wide angle and deep surveys, regardless of their primary purpose, always sample a large number of stars in the Galaxy and in its satellite system. We here make a forecast of the expected stellar sample resulting from the Dark Energy Survey and the perspectives that it will open for studies of Galactic structure and resolved stellar populations in general. An estimated 1.2 x 108 stars will be sampled in DES grizY filters in the southern equatorial hemisphere. This roughly corresponds to 20% of all DES sources. Most of these stars belong to the stellar thick disk and halo of themoreGalaxy.less

  5. Effect of transverse current on Andreev bound state

    SciTech Connect (OSTI)

    Takahashi, Y.; Hashimoto, Y.; Yun, D. H.; Kim, S. W.; Nakamura, T.; Iye, Y.; Katsumoto, S.

    2013-12-04

    In a superconductor-normal-superconductor (SNS) structure, the effect of transverse current across the normal part on the transport through Andreev bound states (ABSs) has been examined. Here a ballistic InAs two-dimensional electron system (2DES) is used as the N-layer to form ABSs. At the same time the 2DES has strong spin-orbit interaction, hence there should emerge the spin-Hall effect associated with the transverse current. We have observed strong reduction of characteristic oscillation in the conductance versus bias voltage, which may be attributed to spin polarization due to the spin-Hall effect.

  6. Eia.gov BETA - Data - U.S. Energy Information Administration (EIA)

    U.S. Energy Information Administration (EIA) Indexed Site

    Tableau croisé des definitions English FranÇais Español A B C D E É F G H I J K L M N O P Q R S T U V W X Y Z Parcourir les termes liés aux catégories suivantes: pétrole brut et équivalents liquides de gaz naturel additifs et composés oxygénés Produits pétroliers gaz naturel biocarburant électricité Consultez l'index des termes

  7. Human Rights

    ScienceCinema (OSTI)

    None

    2011-04-25

    Daniel Meyer, Président de la ligue française de défense de droits de l'homme et du citoyen fait un exposé sur son engagement (politique). Dans la deuxième partie, une avocate brésilienne (en exil)donne un témoignage de la violation des droits de l'homme sous la dictature militaire de son pays; elle a défendu pendant 6 ans des prisonniers politiques.

  8. Diethylstilbestrol can effectively accelerate estradiol-17-O-glucuronidation, while potently inhibiting estradiol-3-O-glucuronidation

    SciTech Connect (OSTI)

    Zhu, Liangliang; Xiao, Ling; Xia, Yangliu; Zhou, Kun; Wang, Huili; Huang, Minyi; Ge, Guangbo; Wu, Yan; Wu, Ganlin; Yang, Ling

    2015-03-01

    This in vitro study investigates the effects of diethylstilbestrol (DES), a widely used toxic synthetic estrogen, on estradiol-3- and 17-O- (E2-3/17-O) glucuronidation, via culturing human liver microsomes (HLMs) or recombinant UDP-glucuronosyltransferases (UGTs) with DES and E2. DES can potently inhibit E2-3-O-glucuronidation in HLM, a probe reaction for UGT1A1. Kinetic assays indicate that the inhibition follows a competitive inhibition mechanism, with the Ki value of 2.1 ± 0.3 μM, which is less than the possible in vivo level. In contrast to the inhibition on E2-3-O-glucuronidation, the acceleration is observed on E2-17-O-glucuronidation in HLM, in which cholestatic E2-17-O-glucuronide is generated. In the presence of DES (0–6.25 μM), K{sub m} values for E2-17-O-glucuronidation are located in the range of 7.2–7.4 μM, while V{sub max} values range from 0.38 to 1.54 nmol/min/mg. The mechanism behind the activation in HLM is further demonstrated by the fact that DES can efficiently elevate the activity of UGT1A4 in catalyzing E2-17-O-glucuronidation. The presence of DES (2 μM) can elevate V{sub max} from 0.016 to 0.81 nmol/min/mg, while lifting K{sub m} in a much lesser extent from 4.4 to 11 μM. Activation of E2-17-O-glucuronidation is well described by a two binding site model, with K{sub A}, α, and β values of 0.077 ± 0.18 μM, 3.3 ± 1.1 and 104 ± 56, respectively. However, diverse effects of DES towards E2-3/17-O-glucuronidation are not observed in liver microsomes from several common experimental animals. In summary, this study issues new potential toxic mechanisms for DES: potently inhibiting the activity of UGT1A1 and powerfully accelerating the formation of cholestatic E2-17-O-glucuronide by UGT1A4. - Highlights: • E2-3-O-glucuronidation in HLM is inhibited when co-incubated with DES. • E2-17-O-glucuronidation in HLM is stimulated when co-incubated with DES. • Acceleration of E2-17-O-glucuronidationin in HLM by DES is via activating the

  9. C.F.von Weizsäcker-High Energy Physics

    ScienceCinema (OSTI)

    None

    2011-04-25

    C.F.von Weizsäcker (1912-2007),physicien,philosophe et "chercheur de paix", prit la décision de faire des études de physique sous l'influence de W.Heisenberg qu'il rencontra en 1927.

  10. CX-003043: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Development of a Training Program for Commercial Building TechniciansCX(s) Applied: A1, A9, A11Date: 07/19/2010Location(s): Des Plaines, IllinoisOffice(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory

  11. Problem of Questioning

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le Prof.Leprince-Ringuet, chercheur sur le plan scientifique, artistique et humain, parle de la remise en question des hommes et la remise en question scientifique fondamentale ou exemplaire- plusieurs personnes prennent la parole p.ex Jeanmairet, Adam, Gregory. Le Prof.Gregory clot la soirée en remerciant le Prof.Leprince-Ringuet

  12. STELLAR KINEMATICS AND STRUCTURAL PROPERTIES OF VIRGO CLUSTER DWARF EARLY-TYPE GALAXIES FROM THE SMAKCED PROJECT. III. ANGULAR MOMENTUM AND CONSTRAINTS ON FORMATION SCENARIOS

    SciTech Connect (OSTI)

    Toloba, E.; Guhathakurta, P.; Peletier, R. F.; Emsellem, E.; Lisker, T.; Van de Ven, G.; Simon, J. D.; Adams, J. J.; Benson, A. J.; Falcón-Barroso, J.; Ryś, A.; Gorgas, J.; Hensler, G.; Janz, J.; Laurikainen, E.; Salo, H.; Paudel, S.

    2015-02-01

    We analyze the stellar kinematics of 39 dwarf early-type galaxies (dEs) in the Virgo Cluster. Based on the specific stellar angular momentum λ{sub Re} and the ellipticity, we find 11 slow rotators and 28 fast rotators. The fast rotators in the outer parts of the Virgo Cluster rotate significantly faster than fast rotators in the inner parts of the cluster. Moreover, 10 out of the 11 slow rotators are located in the inner 3° (D < 1 Mpc) of the cluster. The fast rotators contain subtle disk-like structures that are visible in high-pass filtered optical images, while the slow rotators do not exhibit these structures. In addition, two of the dEs have kinematically decoupled cores and four more have emission partially filling in the Balmer absorption lines. These properties suggest that Virgo Cluster dEs may have originated from late-type star-forming galaxies that were transformed by the environment after their infall into the cluster. The correlation between λ{sub Re} and the clustercentric distance can be explained by a scenario where low luminosity star-forming galaxies fall into the cluster, their gas is rapidly removed by ram-pressure stripping, although some of it can be retained in their core, their star formation is quenched but their stellar kinematics are preserved. After a long time in the cluster and several passes through its center, the galaxies are heated up and transformed into slow rotating dEs.

  13. Science anc Society

    SciTech Connect (OSTI)

    2006-09-12

    S.P.Worden, membre technique de l'U.S.délégation à Genève pour les négociations sur les armes nucléaires, est physicien, astronome, scientifique et officier de l'armée de l'air. Il parlera des technologies de défense stratégique

  14. 10th Anniversary P.S.

    ScienceCinema (OSTI)

    None

    2011-04-25

    John Adams parle de la préhistoire du P.S. avec présentation des dias. Le DG B.Gregory prend la parole. Les organisateurs présentent sous la direction du "Prof.Ocktette"(?) un sketch très humoristique (p.e.existence de Quark etc.....)

  15. Impressions on Chinas Popular Republic

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le D.G. Jentschke présente le Prof.Yang, née en 1922 en Chine où il a aussi fait ses études; il parle de ses impressions en Chine (p.e. mariage etc....) avec présentation des dias

  16. E-mail et Web : pour une navigation sans risque

    ScienceCinema (OSTI)

    None

    2011-10-06

    Présentation orale en français, support visuel en anglais. À travers des exemples concrets, vous consoliderez vos connaissances et pourrez ainsi réajuster vos habitudes concernant l?utilisation sécurisée de votre boîte e-mail et de votre navigateur Web.

  17. KINEMATIC PROPERTIES AS PROBES OF THE EVOLUTION OF DWARF GALAXIES IN THE VIRGO CLUSTER

    SciTech Connect (OSTI)

    Toloba, E.; Gorgas, J.; De Paz, A. Gil; Boselli, A.; Peletier, R. F.; Yildiz, U.; Cenarro, A. J.; Gadotti, D. A.; Pedraz, S.

    2009-12-10

    We present new observational results on the kinematical, morphological, and stellar population properties of a sample of 21 dEs located both in the Virgo Cluster and in the field, which show that 52% of the dEs (1) are rotationally supported, (2) exhibit structural signs of typical rotating systems such as disks, bars, or spiral arms, (3) are younger (approx3 Gyr) than non-rotating dEs, and (4) are preferentially located either in the outskirts of Virgo or in the field. This evidence is consistent with the idea that rotationally supported dwarfs are late-type spirals or irregulars that recently entered the cluster and lost their gas through a ram pressure stripping event, quenching their star formation and becoming dEs through passive evolution. We also find that all, but one, galaxies without photometric hints for hosting disks are pressure supported and are all situated in the inner regions of the cluster. This suggests a different evolution from the rotationally supported systems. Three different scenarios for these non-rotating galaxies are discussed (in situ formation, harassment, and ram pressure stripping).

  18. Science and Society

    SciTech Connect (OSTI)

    2006-07-18

    "Can nuclear war be controled?"- la guerre nucléaire peut-elle être contrôlée? Tel est le thème de cette conférence avec présentation des dias.

  19. Browse by Discipline -- E-print Network Subject Pathways: Geosciences...

    Office of Scientific and Technical Information (OSTI)

    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Institut de Biologie Physico-Chimique CNRS, Physico-Chimie Molculaire des Membranes Biologiques Institute of Catalysis and ...

  20. Science and Society

    ScienceCinema (OSTI)

    None

    2011-04-25

    "Can nuclear war be controled?"- la guerre nucléaire peut-elle être contrôlée? Tel est le thème de cette conférence avec présentation des dias.

  1. Press conference

    ScienceCinema (OSTI)

    None

    2011-04-25

    Exposés de plusieurs intervenants de la direction et du conseil, comme le Prof.Ramsey, président du conseil sur l'adhésion récente de la Finlande et le "boom" scientifique des pays de l'est.

  2. Science and Society

    ScienceCinema (OSTI)

    None

    2011-04-25

    Dans une période d'un mois, 2me conférence sur le contrôle d'armes. Le conférencier Drell, américain, parle comme son collègue Worden (AUDIO-1985-005) des problèmes de défense stratégique.

  3. Meeting DG's

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG J.Adams commente les 3 thèmes de la réunion: 1.) le prochain DG du Cern (qui sera H.Schopper) 2.) le LEP 3.) les conclusions du comité des finances concernant salaires, allocations etc. Discussion entre le DG J.Adams, Mons.Ullmann, chef du personel et l'auditoire

  4. Science anc Society

    ScienceCinema (OSTI)

    None

    2011-04-25

    S.P.Worden, membre technique de l'U.S.délégation à Genève pour les négociations sur les armes nucléaires, est physicien, astronome, scientifique et officier de l'armée de l'air. Il parlera des technologies de défense stratégique

  5. Combining Galaxy-Galaxy Lensing and Galaxy Clustering

    SciTech Connect (OSTI)

    Park, Youngsoo; Krause, Elisabeth; Dodelson, Scott; Jain, Bhuvnesh; Amara, Adam; Becker, Matt; Bridle, Sarah; Clampitt, Joseph; Crocce, Martin; Honscheid, Klaus; Gaztanaga, Enrique; Sanchez, Carles; Wechsler, Risa

    2015-01-01

    Combining galaxy-galaxy lensing and galaxy clustering is a promising method for inferring the growth rate of large scale structure, a quantity that will shed light on the mechanism driving the acceleration of the Universe. The Dark Energy Survey (DES) is a prime candidate for such an analysis, with its measurements of both the distribution of galaxies on the sky and the tangential shears of background galaxies induced by these foreground lenses. By constructing an end-to-end analysis that combines large-scale galaxy clustering and small-scale galaxy-galaxy lensing, we also forecast the potential of a combined probes analysis on DES datasets. In particular, we develop a practical approach to a DES combined probes analysis by jointly modeling the assumptions and systematics affecting the different components of the data vector, employing a shared halo model, HOD parametrization, photometric redshift errors, and shear measurement errors. Furthermore, we study the effect of external priors on different subsets of these parameters. We conclude that DES data will provide powerful constraints on the evolution of structure growth in the universe, conservatively/ optimistically constraining the growth function to 8%/4.9% with its first-year data covering 1000 square degrees, and to 4%/2.3% with its full five-year data covering 5000 square degrees.

  6. Andrei Sakharov

    ScienceCinema (OSTI)

    None

    2011-04-25

    Ce discours donné par Mons.Jonauch qui est né en Tchécoslovaquie et a fait ses études à Leningrad, Moscou et Prague, est organisé par le comité Youri Orlov. Le conférencier parle de Andrei Sakharov, ce physicien et homme soviétique qui fit ses études à Moscou, effectua des recherches sur les armes thermonucléaires et entra à l'Académie des Sciences d'URSS en 1953. Il participa à la mise au point de la bombe à hydrogène, mais s'opposa quelques années plus tard à la poursuite des expériences nucléaires. Il créa en 1970 le comité pour la défense des droits de l'homme ce que lui valut le prix Nobel de la paix en 1975.

  7. CX-002724: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Area of Interest 3 Deployment of Flex Combined Heat and Power System (Funding Opportunity Announcement 0000016)CX(s) Applied: B3.6Date: 06/21/2010Location(s): Des Plains, IllinoisOffice(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory

  8. Meeting LEP

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG J.Adams fait l'introduction et présente les deux autres orateurs. Pierre Darriulat qui fait un doscours sur la physique à l'occasion du LEP, Wolfgang Schnell, qui parle du projet de la machine LEP et le DG lui-même contribue avec quelques réflexions. Présentation des dias

  9. Western Dilemma

    ScienceCinema (OSTI)

    None

    2011-04-25

    L'association du personnel présente Anthony Sampson, écrivain connu dans le monde entier par ses nombreux ouvrages et publications (International Harold Tribune, Observer, News Week). Il nous parle du commerce des armes et du Moyen Orient.

  10. Predicting the performance of system for the co-production of Fischer-Tropsch synthetic liquid and power from coal

    SciTech Connect (OSTI)

    Wang, X.; Xiao, Y.; Xu, S.; Guo, Z.

    2008-01-15

    A co-production system based on Fischer-Tropsch (FT) synthesis reactor and gas turbine was simulated and analyzed. Syngas from entrained bed coal gasification was used as feedstock of the low-temperature slurry phase Fischer-Tropsch reactor. Raw synthetic liquid produced was fractioned and upgraded to diesel, gasoline, and liquid petrol gas (LPG). Tail gas composed of unconverted syngas and FT light components was fed to the gas turbine. Supplemental fuel (NG, or refinery mine gas) might be necessary, which was dependent on gas turbine capacity expander through flow capacity, etc. FT yield information was important to the simulation of this co-production system. A correlation model based on Mobil's two step pilot plant was applied. User models that can predict product yields and cooperate with other units were embedded into Aspen plus simulation. Performance prediction of syngas fired gas turbine was the other key of this system. The increase in mass flow through the turbine affects the match between compressor and turbine operating conditions. The calculation was carried out by GS software developed by Politecnico Di Milano and Princeton University. Various cases were investigated to match the FT synthesis island, power island, and gasification island in co-production systems. Effects of CO{sub 2} removal/LPG recovery, co-firing, and CH{sub 4} content variation were studied. Simulation results indicated that more than 50% of input energy was converted to electricity and FT products. Total yield of gasoline, diesel, and LPG was 136-155 g/N m{sup 3} (CO+H{sub 2}). At coal feed of 21.9 kg/s, net electricity exported to the grid was higher than 100 MW. Total production of diesel and gasoline (and LPG) was 118,000 t (134,000 t)/year. Under the economic analysis conditions assumed in this paper the co-production system was economically feasible.

  11. Le LHC, un tunnel cosmique

    SciTech Connect (OSTI)

    2009-09-17

    Et si la lumière au bout du tunnel du LHC était cosmique ? En d’autres termes, qu’est-ce que le LHC peut nous apporter dans la connaissance de l’Univers ? Car la montée en énergie des accélérateurs de particules nous permet de mieux appréhender l’univers primordial, chaud et dense. Mais dans quel sens dit-on que le LHC reproduit des conditions proches du Big bang ? Quelles informations nous apporte-t-il sur le contenu de l’Univers ? La matière noire est-elle détectable au LHC ? L’énergie noire ? Pourquoi l’antimatière accumulée au CERN est-elle si rare dans l’Univers ? Et si le CERN a bâti sa réputation sur l’exploration des forces faibles et fortes qui opèrent au sein des atomes et de leurs noyaux, est-ce que le LHC peut nous apporter des informations sur la force gravitationnelle qui gouverne l’évolution cosmique ? Depuis une trentaine d’années, notre compréhension de l’univers dans ses plus grandes dimensions et l’appréhension de son comportement aux plus petites distances sont intimement liées : en quoi le LHC va-t-il tester expérimentalement cette vision unifiée ? Tout public, entrée libre / Réservations au +41 (0)22 767 76 76

  12. Le LHC, un tunnel cosmique

    ScienceCinema (OSTI)

    None

    2011-10-06

    Et si la lumière au bout du tunnel du LHC était cosmique ? En d?autres termes, qu?est-ce que le LHC peut nous apporter dans la connaissance de l?Univers ? Car la montée en énergie des accélérateurs de particules nous permet de mieux appréhender l?univers primordial, chaud et dense. Mais dans quel sens dit-on que le LHC reproduit des conditions proches du Big bang ? Quelles informations nous apporte-t-il sur le contenu de l?Univers ? La matière noire est-elle détectable au LHC ? L?énergie noire ? Pourquoi l?antimatière accumulée au CERN est-elle si rare dans l?Univers ? Et si le CERN a bâti sa réputation sur l?exploration des forces faibles et fortes qui opèrent au sein des atomes et de leurs noyaux, est-ce que le LHC peut nous apporter des informations sur la force gravitationnelle qui gouverne l?évolution cosmique ? Depuis une trentaine d?années, notre compréhension de l?univers dans ses plus grandes dimensions et l?appréhension de son comportement aux plus petites distances sont intimement liées : en quoi le LHC va-t-il tester expérimentalement cette vision unifiée ? Tout public, entrée libre / Réservations au +41 (0)22 767 76 76

  13. The Dark Energy Survey Data Management System

    SciTech Connect (OSTI)

    Mohr, Joseph J.; Barkhouse, Wayne; Beldica, Cristina; Bertin, Emmanuel; Dora Cai, Y.; Nicolaci da Costa, Luiz A.; Darnell, J.Anthony; Daues, Gregory E.; Jarvis, Michael; Gower, Michelle; Lin, Huan; /Fermilab /Rio de Janeiro Observ.

    2008-07-01

    The Dark Energy Survey (DES) collaboration will study cosmic acceleration with a 5000 deg2 griZY survey in the southern sky over 525 nights from 2011-2016. The DES data management (DESDM) system will be used to process and archive these data and the resulting science ready data products. The DESDM system consists of an integrated archive, a processing framework, an ensemble of astronomy codes and a data access framework. We are developing the DESDM system for operation in the high performance computing (HPC) environments at the National Center for Supercomputing Applications (NCSA) and Fermilab. Operating the DESDM system in an HPC environment offers both speed and flexibility. We will employ it for our regular nightly processing needs, and for more compute-intensive tasks such as large scale image coaddition campaigns, extraction of weak lensing shear from the full survey dataset, and massive seasonal reprocessing of the DES data. Data products will be available to the Collaboration and later to the public through a virtual-observatory compatible web portal. Our approach leverages investments in publicly available HPC systems, greatly reducing hardware and maintenance costs to the project, which must deploy and maintain only the storage, database platforms and orchestration and web portal nodes that are specific to DESDM. In Fall 2007, we tested the current DESDM system on both simulated and real survey data. We used TeraGrid to process 10 simulated DES nights (3TB of raw data), ingesting and calibrating approximately 250 million objects into the DES Archive database. We also used DESDM to process and calibrate over 50 nights of survey data acquired with the Mosaic2 camera. Comparison to truth tables in the case of the simulated data and internal crosschecks in the case of the real data indicate that astrometric and photometric data quality is excellent.

  14. 25th Birthday Cern- Restaurant

    ScienceCinema (OSTI)

    None

    2011-04-25

    Cérémonie du 25ème anniversaire du Cern avec plusieurs orateurs et la présence de nombreux autorités cantonales et communales genevoises et personnalités, directeurs généraux, ministres, chercheurs.... Le conseiller féderal et chef du département des affaires étrangères de la confédération Monsieur Pierre Aubert prend la parole pour célébrer à la fois les résultats très remarquables de la coopération internationale en matière scientifique, mais aussi la volonté politique des états européens de mettre en commun leurs ressources pour faire oeuvre d'avenir. Un grand hommage est aussi donné aux deux directeurs disparus, les prof.Bakker et Gregory.

  15. Italian Exposition

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG parle dans son allocution à l'occasion de l'exposition (suivi d'une visite)de la contribution du Cern à la création d'une espace de la technologie européenne. Il parle de la manière comment organiser des formes fructueuses de coopération et coordination internationales dans ce domaine. "Afin de renforcer encore notre relation avec l'industrie et intensifier le transfert de la technologie nous proposerons au ministre de recherche de poursuivre dans le cadre du programme EUREKA ensemble avec les industries des programmes concrètes." Le ministre italien prend ensuite la parole.

  16. Hig Resolution Seismometer Insensitive to Extremely Strong Magnetic Fields

    SciTech Connect (OSTI)

    Abramovich, Igor A

    2009-07-14

    A highly sensitive broadband seismic sensor has been developed successfully to be used in beam focusing systems of particale accelerators. The sensor is completely insensitive to extremely strong magnetic fields and to hard radiation conditions that exist at the place of their installation. A unique remote sensor calibration method has been invented and implemented. Several such sensors were sold to LAPP (LAPP-IN2P3/CNRS-Universit de Savoie; Laboratoire d'Annecy-le-Vieux de Physique des Particules)

  17. Present and Future Computing Requirements

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Computational Cosmology DES LSST Presenter: Salman Habib Argonne National Laboratory Jim Ahrens (LANL) Scott Dodelson (FNAL) Katrin Heitmann (ANL) Peter Nugent (LBNL) Anze Slosar (BNL) Risa Wechsler (SLAC) 1 Cosmic Frontier Computing Collaboration Computational Cosmology SciDAC-3 Project Ann Almgren (LBNL) Nick Gnedin (FNAL) Dave Higdon (LANL) Rob Ross (ANL) Martin White (UC Berkeley/ LBNL) Large Scale Production Computing and Storage Requirements for High Energy Physics Research A DOE Technical

  18. Pierre Darancet | Argonne National Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Pierre Darancet Assistant Scientist, Center for Nanoscale Materials & Fellow, Northwestern Argonne Institute for Science and Engineering Education M.Sc., Applied Physics, Institut National des Sciences Appliquées M.Sc., Physics, Université Paul Sabatier Ph.D, Physics, Université Joseph Fourier Research Topics First-principles modeling of charge and energy transport in nanoscale materials. Optoelectronic properties of nanomaterials and heterogeneous interfaces Development of novel methods

  19. Testing a Variety of Encryption Technologies

    SciTech Connect (OSTI)

    Henson, T J

    2001-04-09

    Review and test speeds of various encryption technologies using Entrust Software. Multiple encryption algorithms are included in the product. Algorithms tested were IDEA, CAST, DES, and RC2. Test consisted of taking a 7.7 MB Word document file which included complex graphics and timing encryption, decryption and signing. Encryption is discussed in the GIAC Kickstart section: Information Security: The Big Picture--Part VI.

  20. How to Find Ames Laboratory | The Ames Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    How to Find Ames Laboratory Finding the Ames Laboratory The Ames Laboratory has it's main administrative offices in the Technical and Administrative Services Facility (TASF) building on the Iowa State University Campus. Technical and Administrative Services Facility (TASF) 2408 Pammel Drive, Ames, IA 50011-1015 For directions from the Des Moines Airport please use the link with the following directions: https://goo.gl/maps/c6SOK Finding the Ames Laboratory on the ISU Campus Image Click on the

  1. Inauguration LEP

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG H.Schopper salue le président de la république française, F.Mitterand, le président de la confédaration suisse P.Aubert, ainsi que les ministres et représentants du gouvernement des 12 états membres pour la célébration et inauguration du LEP.

  2. History of Cern

    ScienceCinema (OSTI)

    None

    2011-04-25

    Cérémonie à l'occasion de l'apparition du premier volume du livre sur l'histoire du Cern, avec plusieurs personnes présentes qui jouaient un rôle important dans cette organisation européenne couronnée de succès grâce à l'esprit des membres fondateurs qui est et restera essentiel

  3. Ward Co. Dunn Co. McLean Co. McHenry Co. Mountrail Co. McKenzie Co.

    U.S. Energy Information Administration (EIA) Indexed Site

    WHISKEY JOE WHITE ASH SPRING COULEE DES LACS MAGPIE HARTLAND BEICEGEL CREEK RANCH COULEE WINNER CRAZY MAN CREEK GROS VENTRE BANK W BULLSNAKE UPLAND COULEE REFUGE LARSON GARNET ALKALI CREEK PLUMER RATTLESNAKE POINT ELLSWORTH CHURCH BORDER HANSON GROVER HULSE COULEE SAKAKAWEA AURELIA ROUND TOP BUTTE GORHAM BUTTE W MARMON MANITOU SHEALEY CLAYTON SERGIS N SADDLE BUTTE HAYLAND CEDAR COULEE BOWLINE LITTLE BUTTE LONG CREEK RHOADES HEDBERG FILLMORE EIDSVOLD FAIRFIELD WOLF BAY TOBACCO GARDEN N SPRING

  4. Extreme Scale Unstructured Adaptive CFD: From Multiphase Flow to

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Aerodynamic Flow Control | Argonne Leadership Computing Facility Isosurface of instantaneous Q criterion colored by speed over a vertical tail Isosurface of instantaneous Q criterion colored by speed over a vertical tail at Re=3.5\ 10^5 of a DES simulation with a rudder deflection angle of 30 degrees and 12 unsteady jets active. Kenneth Jansen, University of Colorado at Boulder Extreme Scale Unstructured Adaptive CFD: From Multiphase Flow to Aerodynamic Flow Control PI Name: Kenneth Jansen

  5. Conference Salam/Musset

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG L.Van Hove introduit le Prof. A.Salam né en 1926 dans l'ouest du Pakistan, un des gagnants du prix nobel de physique de cette année. Célébration de ses contributions théoriques mondialement connues. Après chaque discours, un petit historique est présenté par Paul Musset. Mention honorable aussi pour l'expérience Gargamelle et ses collaborateurs.

  6. Vinu Vikraman | Argonne National Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Vinu Vikraman Postdoctoral Appointee Dr. Vikraman is currently working on the Dark Energy Survey. They are developing mass maps from the initial science verification data using weak lensing. They are also working on the gas profile measurement of clusters and groups using DES, SDSS and Planck data. Vinu is also working on a project testing gravity using cepheids, dwarf galaxies and stars. They developed a method to isolate screened regions in the local Universe based on N-body simulations. This

  7. 1

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Review of SHEBA Ice Pack/Ship Stability from ARM GPS Data K. B. Widener Pacific Northwest National Laboratory Richland, Washington K. Stamnes Stevens Institute of Technology Hoboken, New Jersey R. Storvold University of Alaska Fairbanks, Alaska B. D. Zak Sandia National Laboratories Albuquerque, New Mexico Introduction From October 1997 through October 1998, Atmospheric Radiation Measurement (ARM) Program instrumentation was deployed on and around the Canadian icebreaker Des Groseilliers as part

  8. Torleif Ericson 60th Birthday

    ScienceCinema (OSTI)

    None

    2011-04-25

    Plusieurs discours à l'occasion du 60me anniversaire de Torleif Ericson, physicien né à Lund (Suède), et remerciements pour son travail et son effort de relier la physique des particules à la physique nucléaire. A la fin de la cérémonie un document scientifique de 400 pages "die Festschrift" lui est remis comme cadeau d'anniversaire avec un grand nombre de contributions d'amis etc...

  9. Everest

    ScienceCinema (OSTI)

    None

    2011-04-25

    Chris Bonington, est né à Hampstead et a fait des études à University Collège School à Londres et au Royal Military Academy à Sundhorst. Il est un alpiniste mondialement connu qui a fait un grand nombre de premiers ascensions, comme celle de la face sud-ouest de l'Everest avec une équipe de 70 hommes en septembre 1975

  10. DOE - Office of Legacy Management -- Iowa Army Ammunition Plant - IA 02

    Office of Legacy Management (LM)

    Army Ammunition Plant - IA 02 FUSRAP Considered Sites Iowa Army Ammunition Plant, IA Alternate Name(s): Burlington Ordnance Plant Iowa Ordnance Plant Silas Mason Company IA.02-3 Location: Located in Township 70 North, Range 3 West, Section 32, 5th Principal Meridian, Des Moines County, Burlington, Iowa IA.02-1 IA.02-5 Historical Operations: Assembled nuclear weapons, primarily high explosive components and conducted explosives testing using the high explosive components and depleted uranium. AEC