Summary:  collisions, fission 2 Neutron Diffusion and Moderation: neutron transport equation, Fick's law, equation... EEE 562 Nuclear Reactor Theory and Design (3 hrs) Catalog Description: Principles of neutron chain... reacting systems. Neutron diffusion and moderation. One, two and multi group ...

Source: Zhang, Junshan - Department of Electrical Engineering, Arizona State University

Collection: Engineering ; Computer Technologies and Information Sciences

Summary:  of hydrogenous compounds in a matrix, neutron RG and CT can be used to measure humidity transport in soil... www.unibas.ch UNI BASEL Anwendungen von Radionukliden und Strahlung (FS2011) Gamma and Neutron... Radiography (Week 11, 1st part) Edwin Kolbe Departement Physik Uni Basel ARS, 18.05.11 #12;Gamma and ...

Source: Kolbe, Edwin - Department für Physik und Astronomie, Universität Basel

Collection: Physics

Summary:  Sensors and Controls Research Oak Ridge National Laboratory is developing a new type of neutron... detector intended to provide improved neutron detection efficiency and gamma-ray rejection at a lower cost... than current-generation, field-deployable neutron detection technologies. The new neutron sensor

Source: Oak Ridge National Laboratory Fossil Energy Program

Collection: Fossil Fuels

Summary:  simulation of neutron and gamma transport by the PRIZMA code Ya. Kandiev a , E. Kashaeva a , G. Malyshkin... , neutron and gamma transport by Monte Carlo method (PRIZMA code). It is shown that the near-threshold mode... -quanta transport in the new neutron-generating ...

Source: Taskaev, Sergey Yur'evich - Budker Institute of Nuclear Physics

Collection: Plasma Physics and Fusion

Summary:  Study of Fuel Cell Water Transport With Neutron Imaging David Jacobson (NIST) Paul Huffman (NIST... ;Approach Develop neutron imaging method to non- destructively visualize and quantify water transport... in fully assembled operating fuel cells. Develop a nuclear reactor based state of the art ...

Source: DOE Office of Energy Efficiency and Renewable Energy, Hydrogen, Fuel Cells and Infrastructure Technologies Program

Collection: Energy Storage, Conversion and Utilization ; Renewable Energy

Summary:  be drained for transport. 4. Experimental Results Figure 4 shows the experimental arrangement of neutron... 2001 Office of National Drug Control Policy International Technology Symposium NELIS - A Neutron... (Neutron Elemental Inspection System), and it identifies all major and minor chemical elements of the ...

Source: Western Kentucky University, Applied Physics Institute

Collection: Engineering

Summary:  is used for neutron transport). The symbols represent the results of the simulations, while the full curve... . Themethodallowsustoestimatetheoveralldosedistributionand therapeutic gain without performing lengthy simulations of the neutron transport. Although... energy of epithermal ...

Source: Santorelli, Pietro - Dipartimento di Scienze Fisiche, Università degli Studi di Napoli "Federico II"

Collection: Physics

Summary:  to the DR-1 in dual purpose transport/ exposure containers. Routine neutron radiography is perform- ed... -beaa neutron radiographic facility The irradiated nuclear fuel rods are transported froa the Not Cells... Risø-M-2454 NEUTRON RADIOGRAPHIC TECHNIQUES, FACILITIES AND APPLICATIONS J. ...

Source: Risø National Laboratory

Collection: Multidisciplinary Databases and Resources

Summary:  of experiments on proton beam transport and neutron generation are shown, discussed, and plans are presented... through Monte Carlo numerical simulation of neutron and gamma transport by the PRIZMA code. In this issue... BINP accelerator based epithermal neutron source V. Aleynik a , A. ...

Source: Taskaev, Sergey Yur'evich - Budker Institute of Nuclear Physics

Collection: Plasma Physics and Fusion

Summary:  , United Kingdom Presented on 11 June 1998 The JET neutron profile monitor was used to study the transport... in which the tritium transport is modeled and the neutron emission line integrals are calculated... transport coefficients.3 The time-dependent neutron ...

Source: Basse, Nils Plesner - ABB Corporate Research

Collection: Engineering ; Plasma Physics and Fusion

Summary:  ] discuss the important spacecraft materials that affect neutron transport; these include the carbon... Physics of solar neutron production: Questionable detection of neutrons from the 31 December 2007... V solar neutrons. We discuss the cross sections for neutron ...

Source: Share, Gerald - Department of Astronomy, University of Maryland at College Park

Collection: Physics

Summary:  transport code COG [15]. Using this code, we simulated neutron transport from the plasma to the de- tectors... of these clusters. We have conducted high-resolution neutron time-of-flight spectroscopy on these plasmas and show... that they yield fast bursts of nearly monochromatic fusion ...

Source: Ditmire, Todd - Department of Physics, University of Texas at Austin

Collection: Physics

Summary:  Accelerator based neutron source for neutron capture therapy B. Bayanov, Yu. Belchenko, V. Belov, V... of Physics and Power Engineering (Obninsk) have proposed an accelerator based neutron source for neutron... capture and fast neutron therapy for hospital. Innovative approach is based ...

Source: Taskaev, Sergey Yur'evich - Budker Institute of Nuclear Physics

Collection: Plasma Physics and Fusion

Summary:  -Carlo simulation results and the super- shield concept. In this work we focus primarily on neutron transport... through the shields. 2. Experimental setup 2.1. Neutron source To understand neutron transport through... in the neutron transport ...

Source: Nevis Laboratories, Radiological Research Accelerator Facility

Collection: Fission and Nuclear Technologies ; Biology and Medicine

Summary:  7 CHAPTER 1 PERSPECTIVES Since the discovery of the neutron in 1932 by Chadwick, neutron... ; Brooks and Klein, 2002). The development of neutron generating sources, applications on detection... penetrating ability of neutrons offers an effective way of probing elemental content of interrogated materials

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  to benchmark neutron scattering models in Monte Carlo transport codes. It was found that the implementation... Words: neutron scattering, resonance, Monte Carlo, neutron transport, experiment 1. INTRODUCTION Modern... nuclear data to model neutron ...

Source: Danon, Yaron - Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute

Collection: Fission and Nuclear Technologies

Summary:  ., and Thornton, J., "A Transportable, Neutron-Based Contraband Detection System" in Proc. of Counterdrug Law... Abstract. NELIS (Neutron Elemental Inspection System) is currently being developed to inspect pallets laden... neutrons (Pulsed Fast/Thermal Neutron Analysis). Hidden drugs are ...

Source: Western Kentucky University, Applied Physics Institute

Collection: Engineering

Summary:  to transport the neutrons across longer distances, 10 to 50 m. Figure 3 shows the arrange- ment of instruments... The New Munich Neutron Source FRM II: Overview and Uses for Biological Studies Wolfgang Doster... . The application of neutron scattering to biological systems using the new ...

Source: Doster, Wolfgang - Physik Department, Technische Universität München

Collection: Physics ; Biology and Medicine

Summary:  of the neutron transport process, and the case of power reactor noise will only be touched upon. The neutron... linear neutron transport equation, and it is well-known that the transport equation does not have... NEUTRON FLUCTUATIONS IN ...

Source: Pázsit, Imre - Department of Reactor Physics,Chalmers University of Technology

Collection: Fission and Nuclear Technologies

Summary:  . All rights of reproduction in any form reserved. High-Energy Neutron Spectroscopy with Thick Silicon... University Applied Physics Laboratory, Laurel, Maryland; and b Los Alamos Neutron Science Center, Los Alamos... , New Mexico Kinnison, J. D., Maurer, R. H., Roth, D. R. and Haight, R. C. High-Energy Neutron

Source: Nevis Laboratories, Radiological Research Accelerator Facility

Collection: Fission and Nuclear Technologies ; Biology and Medicine

Summary:  . Tha transport and exposure container used for neutron radiography of irradiated nuclear fuel rods... of these MDT method* is neutron radiography. In the Hot Cells the rods are placed in special transport... containers in which they are transported to tha neutron ...

Source: Risø National Laboratory

Collection: Multidisciplinary Databases and Resources

Summary:  the pace worldwide with the development and production of instruments for research using neutrons... . With OYSTER, the neutrons generated in the reactor are cooled by a device containing liquid hydrogen, slowed... benefits for international science, health care and industry. Neutron research in brief Why ...

Source: Dekker, Cees - Kavli Institute of NanoScience, Technische Universiteit Delft

Collection: Physics ; Biology and Medicine

Summary:  AN ACCELERATOR-BASED NEUTRON MICROBEAM SYSTEM FOR STUDIES OF RADIATION EFFECTS Yanping Xu1... 2010 A novel neutron microbeam is being developed at the Radiological Research Accelerator Facility... bystander effects in mammalian cells for many years. Now a prototype neutron microbeam is being developed

Source: Brenner, David Jonathan - Center for Radiological Research & Department of Environmental Health Sciences, Columbia University; Nevis Laboratories, Radiological Research Accelerator Facility

Collection: Biology and Medicine ; Fission and Nuclear Technologies

Summary:  initial distribu­ tion is chosen, the Monte Carlo simulation of the neutron transport developed... Neutron production by cosmic­ray muons at shallow depth F. Boehm, 3 J. Busenitz, 1 B. Cook, 3 G... , Stanford, California 94305 #Received 23 June 2000; published 12 October 2000# The yield of neutrons

Source: Gratta, Giorgio - Kavli Institute for Particle Astrophysics and Cosmology SLAC & Department of Physics, Stanford University

Collection: Physics

Summary:  . Once the neutron initial distribu- tion is chosen, the Monte Carlo simulation of the neutron transport... Neutron production by cosmic-ray muons at shallow depth F. Boehm,3 J. Busenitz,1 B. Cook,3 G... Received 23 June 2000; published 12 October 2000 The yield of neutrons produced by ...

Source: Gratta, Giorgio - Kavli Institute for Particle Astrophysics and Cosmology SLAC & Department of Physics, Stanford University; Piepke, Andreas G. - Department of Physics and Astronomy, University of Alabama

Collection: Physics

Summary:  is of great importance for astrophysical properties of neutron stars as it strongly affects transport... and also plays an important role for magnetic and transport properties of neutron star matter. Nuclear... Vol. 37 (2006) ACTA PHYSICA POLONICA B No 1 PROPERTIES OF LOCALIZED PROTONS IN ...

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

Collection: Physics

Summary:  . The Monte Carlo code TART code is being used to calculate the transport of neutrons through the structures... the neutron transport code TARTusing the neutron transport code TART A single CR-39 DetectorDetector Housing... Magnet #12;Benchmarking TART ...

Source: Massachusetts Institute of Technology (MIT), Plasma Science and Fusion Center, High-Energy-Density Physics Group

Collection: Plasma Physics and Fusion ; Physics

Summary:  Spallation-Driven Cold Neutron Sources Dr. Bradley J. Micklich Senior Physicist, Physics Division... 2009 2 Accelerator-Driven Spallation Sources Produce neutrons for use in condensed matter and basic... physics research Want neutron wavelengths about the dimensions of interest, or neutron energies that ...

Source: McDonald, Kirk - Department of Physics, Princeton University

Collection: Physics

Summary:  distribution s in a sub-critical core is the solution to the inhomogeneous steady-state neutron transport... as source neutrons [6, 13]. The method consists of, in the first step, transporting the high-energy protons... -energy code is used to transport the accelerated protons and the ...

Source: Haviland, David - Department of Physics, Royal Institute of Technology, Sweden; Royal Institute of Technology (Sweden), Department of Physics, Reactor Physics Program

Collection: Fission and Nuclear Technologies ; Materials Science

Summary:  New science with neutrons Dr Martyn Bull ISIS Second Target Station Project ISIS Pulsed Neutron... ;ISIS is the world's leading pulsed neutron and muon research centre #12;Soft Matter Advanced Materials... Second Target Station Project #12;#12;" where atoms are... '' " what atoms do... " Neutron scattering #12

Source: Council for the Central Laboratory of the Research Councils- Accelerator Science and Technology Centre ( ASTeC)

Collection: Physics

Summary:  - quanta transporting in the neutron-generating target and its environment was made. The simulation... assistance. #12;U N C O R R EC TED PR O O F A neutron producing target for BINP accelerator-based neutron... str., 2, Novosibirsk, Russia a r t i c l e i n f o Keywords: Target Lithium ...

Source: Taskaev, Sergey Yur'evich - Budker Institute of Nuclear Physics

Collection: Plasma Physics and Fusion

Summary:  spallation source, transport CN far down a beam pipe from source better understood neutron polarization: ­ 3... Neutron Beta-Decay Jeff Martin University of Winnipeg representing UCNA, abBA, Nab, and TRIUMF Hall... to make neutrons Some beta-decay experiments #12;International Workshop: Ultracold ...

Source: Martin, Jeff - Kellogg Radiation Laboratory, California Institute of Technology

Collection: Physics

Summary:  1 A NOVEL MICROMEGAS DETECTOR FOR IN-CORE NUCLEAR REACTOR NEUTRON FLUX MEASUREMENTS S. ANDRIAMONJE... of nuclear wastes need new neutrons detectors able to measure the neutron flux over a large energy range from... to neutron detection inside nuclear reactor is given. The advantage of this detector over ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  REACTOR PIK WHAT ARE NEUTRONS NEEDED FOR If you want to see an object, you have to illuminate it... as beams of elementary particles, for instance, neutrons. The exclusive role X- and gamma rays play... and advantages inherent in neutron radiation. At the same time they are quite significant. First, neutrons

Source: Titov, Anatoly - Laboratory of Molecular Beams, Petersburg Nuclear Physics Institute

Collection: Physics

Summary:  Cooling of isolated neutron stars as a probe of superdense matter physics Alexander Kaminker... a current state of cooling theory of isolated neutron stars. The main regulators of neutron star cooling... are discussed. We outline the sensitivity of cooling models to equation of state of matter in the neutron ...

Source: Ioffe Physico-Technical Institute, Department of Theoretical Astrophysics

Collection: Physics

Summary:  The Neutron Star Crust and Surface PROPOSAL We, Dany Page (UNAM, Mexico), Madappa Prakash (Ohio... program in 2007 on the physics of neutron star crusts and surfaces at the INT, Seattle. The focus... of the program will be on the theoretical interpretation of the growing observations of neutron stars. Summer

Source: Washington at Seattle, University of - Department of Physics, Electroweak Interaction Research Group - Neutron Beta Decay Time Reversal Invariance Test

Collection: Physics

Summary:  Tape high power neutron producing target for NCT V. Kononova , G. Smirnovb , S. Taskaevc... lithium targets with intense liquid cooling are used now for accelerator based boron neutron capture... Engineering, Obninsk, have proposed an accelerator based neutron source for neutron capture and fast ...

Source: Taskaev, Sergey Yur'evich - Budker Institute of Nuclear Physics

Collection: Plasma Physics and Fusion

Summary:  concentrations for in situ measurements using a neutron source based on a D-T reaction. In the framework... on a Pulsed-Neutron D-T (PNDT) source, providing time- and energy-information generated by neutron... Pulse instrument capable of detecting secondary neutrons and gamma-radiations from environmental and ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  Multilevel Methods for Least-Squares Discretizations of Neutron Transport Equations... Gerhard Starke* We study least-squares finite element approximations of neutron transport equations... , isotropic form of the neutron ...

Source: Multigrid Network (MGNet) Preprints

Collection: Mathematics ; Computer Technologies and Information Sciences

Summary:  799 INNOVATIVE ACCELERATOR BASED NEUTRON SOURCE B. F. Bayanov1 , A. V. Burdakov1 , V. I. Davydenko1... to 10 mA. Epithermal neutrons for boron neutron capture therapy are proposed to be generated by protons... . In the report, the pilot facility design is given, results of first experiments on proton beam ...

Source: Taskaev, Sergey Yur'evich - Budker Institute of Nuclear Physics

Collection: Plasma Physics and Fusion

Summary:  -state neutron detectors based on planar B-rich capture layers A D Harken and B W Robertson Department... 2006 Published 17 November 2006 Online at stacks.iop.org/JPhysD/39/4961 Abstract Solid-state neutron... thermal neutron detection efficiencies of any solid-state neutron detectors. A simple physical model

Source: Nevis Laboratories, Radiological Research Accelerator Facility

Collection: Fission and Nuclear Technologies ; Biology and Medicine

Summary:  SCIENCE HIGHLIGHTS 2008 ANNUAL REPORT ORNL NEUTRON SCIENCES neutrons.ornl.gov 32 Nanoparticle... Agency is particularly inter- ested in the "fate, transport, and trans- formation of nanoparticles... -ever proof-of-principle measurements of the transport and deposition of nanoparticles in packed sand beds

Source: Controlled Fusion Atomic Data Center (CFADC)

Collection: Plasma Physics and Fusion

Summary:  . This neutron flux is calculated with a transport code combined with the Intra-Nuclear-Cascade model developed... Proton recoil detector of fusion neutrons using natural diamond R. J. Maqueda, Cris W. Barnes, S. S... to silicon for neutron measurements in next step fusion experiments. A 200- m-thick type IIa ...

Source: Los Alamos National Laboratory, Magnetic Fusion Experimental Team, Physics Division, Los Alamos National Laboratory; Maqueda, Ricardo J. "Ricky" - Magnetic Fusion Energy Experiments, P-24 Plasma Physics, Los Alamos National Laboratory

Collection: Plasma Physics and Fusion

Summary:  -independent Equation of State for Neutron Star Matter" 3:00 pm, Room C520 (45 min) Thomas Schaefer, " Transport... transient behavior in neutron stars Schedule Notes: We have changed the format somewhat. Anyone who would... -modes and the Maximum Rotation Rate of Neutron Stars" 3:00 pm, Room C520 (45 min) Kai ...

Source: Washington at Seattle, University of - Department of Physics, Electroweak Interaction Research Group - Neutron Beta Decay Time Reversal Invariance Test

Collection: Physics

Summary:  facility is shown in Fig. 1. Neutrons leave a moderator in the cold neutron source and are transported... Nuclear Instruments and Methods in Physics Research A 539 (2005) 622­639 FUNSPIN polarized cold-neutron... ; accepted 9 November 2004 Available online 8 December 2004 Abstract Properties of the ...

Source: Zejma, Jacek - Instytut Fizyki, Uniwersytet Jagiellonski

Collection: Physics

Summary:  1 Therapeutic potential of atmospheric neutrons Cyril Voyant1,2* Ph.D., Rudy Roustit2 M... by the reaction i and the nucleus j (Gy) Ls,b,t Mean free path (m) No Total number of neutron (NU) Ts... ) t Time variable (s) F(E) Cumulative distribution function for neutron related to energy (NU) S Surface

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  Review Secondary neutrons in clinical proton radiotherapy: A charged issue David J. Brenner*, Eric... -body neutron dose, due to interactions of the protons with the scattering and collimating beam elements... . However, the clinical significance of this whole-body low-dose neutron exposure has remained controversial

Source: Brenner, David Jonathan - Center for Radiological Research & Department of Environmental Health Sciences, Columbia University

Collection: Biology and Medicine

Summary:  because neutron transport outside the core is most of the time impossible, and the use of a time... PHYSOR 2002, Seoul, Korea, October 7-10, 2002 THE MUSE-4 EXPERIMENT: PROMPT REACTIVITY AND NEUTRON... , the MASURCA fast neutron reactor in different subcritical configurations has been coupled to a deuteron

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  .elsevier.com/locate/actaastro MArs Neutron Energy Spectrometer (MANES): an instrument for the Mars 2003 Lander Richard H. Maurer... components of the spectrometer and present responses to monoenergetic neutron beams. Sections 5 and 6 explain... that are mostly protons and neutrons. Charged pro- tons are readily detected and ...

Source: Nevis Laboratories, Radiological Research Accelerator Facility

Collection: Fission and Nuclear Technologies ; Biology and Medicine

Summary:  A Neutron Spectrometer for Precise Measurements of DT Neutrons from 10 to 18 MeV at OMEGA... and yield of elastically scattered primary neutrons in deuteriumtritium (DT) plasmas. As is the case... for measuring neutrons in the 10- to 18-MeV energy range is proposed. From scattered ...

Source: Massachusetts Institute of Technology (MIT), Plasma Science and Fusion Center, High-Energy-Density Physics Group

Collection: Plasma Physics and Fusion ; Physics

Summary:  *MT 4S1SGOO ^ « ve Risø-M-2672 Neutron Radiography, Techniques and Applications J. C. Domanus Risø... National Laboratory, DK-4000 Roskilde, Denmark October1987 #12;RISØ-M-2672 NEUTRON RADIOGRAPHY, TECHNIQUES... , techniques used in neutron radiography are reviewed. Use of converter foils with silver halide films

Source: Risø National Laboratory

Collection: Multidisciplinary Databases and Resources

Summary:  Monte Carlo simulations, we have used the neutron transport code MCNP4b [5]. In this approach we treat... neutrons from a 40 MeV deuteron beam impinging on a converter target provides efficient production... an efficient production scheme for light radioisotopes, mainly 6He and 8Li, using secondary neutrons ...

Source: McDonald, Kirk - Department of Physics, Princeton University

Collection: Physics

Summary:  OF PROTONS AND ELECTRONS FROM THE DECAY OF LOW-ENERGY SOLAR FLARE NEUTRONS Neus Agueda1,2 , S¨am Krucker1... decay of low-energy (1­10 MeV) solar neutrons. We use in situ measurements throughout solar cycle 23... interplanetary conditions with the goal of discriminating neutron-decay particles from primary solar energetic

Source: Sanahuja, Blai - Departament d'Astronomia i Meteorologia, Universitat de Barcelona

Collection: Physics

Summary:  reactor of thermal neutron flux 6 x 10llf cm-2 s-1 . The UCN are transported in a nickel coated glass... FOR A NEUTRON ELECTRIC DIPOLE MOMENT 1. Morse Rutherford Appleton Laboratory, Chilton, Oxon 0X11 OQX, U... ) de neutrons ultra- froids placés, pour des périodes d'environ 60s, en présence d'un champ ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  collisions). Free neutron beams are obtained from neutron sources by neutron transport. The neutron's lack... not be appropriate. The detailed principles of Monte Carlo method for neutron transport are thoroughly described... & Sons, Inc., ...

Source: Prosen, Tomaž - Department of Physics, University of Ljubljana

Collection: Physics

Summary:  - curate enough to simulate neutron transport and detection in the MeV and sub-MeV energy ranges. 4... transport models of neutrons (these models were also tested in Ref. [33] and found to be in good agreement... arXiv:0810.1682v1[hep-ex]9Oct2008 Simulation of neutrons produced by ...

Source: Imperial College London, Department of Physics, High Energy Physics Group

Collection: Physics

Summary:  in neutron guide technology have led to reduced losses in transporting cold neutrons and a concomitant... for fundamental nuclear physics with neutrons and make recommendations of priorities consistent with projected... in the recent Long Range Plan for nuclear science, the U.S. program in fundamental ...

Source: Controlled Fusion Atomic Data Center (CFADC)

Collection: Plasma Physics and Fusion

Summary:  spectra arriving at the Earth and the 2.2 MeV neutron-capture c- ray line using the loop transport... Physics of ion acceleration in the solar flare on 2005 September 7 determines c-ray and neutron... ; received in revised form 29 May 2009; accepted 3 June 2009 Abstract Relativistic neutrons were observed

Source: California at Berkeley, University of - Silver Space Sciences Laboratory

Collection: Physics

Summary:  MUSIC, and particle transport code FLUKA are used to evaluate muon and neutron fluxes. The results... . They are capable of simulating neutron production by muons, hadrons and photons, as well as neutron transport... and Modane [14]. In this work we have used the FLUKA code for ...

Source: Sheffield, University of - Department of Physics and Astronomy, Particle Physics and Particle Astrophysics Group

Collection: Physics

Summary:  backscattered component appears to be spatially uniform, and agrees with predictions of a neutron-transport code... , and for benchmarking neutron transport codes . The characterization of CR-39 re- sponse to neutrons is interesting... transport code COG 24 was used to predict the ...

Source: Massachusetts Institute of Technology (MIT), Plasma Science and Fusion Center, High-Energy-Density Physics Group

Collection: Plasma Physics and Fusion ; Physics

Summary:  1 PELAN - A TRANSPORTABLE, NEUTRON-BASED UXO IDENTIFICATION TECHNIQUE George Vourvopoulos, Linus... . the projectile contents. Most major and minor chemical elements within the interrogated object Neutrons have been... ). In Pulsed Elemental Analysis with Neutrons. the coal industry, elements such as sulfur and ...

Source: Western Kentucky University, Applied Physics Institute

Collection: Engineering

Summary:  Vol. 40 (2009) ACTA PHYSICA POLONICA B No 3 COLLECTIVE DIPOLE EXCITATIONS IN NEUTRON-RICH NUCLEI... FROM 132 Sn MASS REGION, THE NUCLEAR SYMMETRY ENERGY AND NEUTRON SKINS A. Klimkiewicza, N. Paarc, P... (Received October 30, 2008) Dipole strength distributions measured in unstable neutron-rich nuclei

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

Collection: Physics

Summary:  , the transport and magnetic properties of neutron stars depend strongly on the structure of the so called liquid... of the localized protons inside neutron star cores would have profound astrophysical consequences. The transport... for the cooling rate of neutron stars and also plays an ...

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

Collection: Physics

Summary:  1 Contents Page Scientific Prospects for Neutron Scattering with Present and Future Sources An ESF... Exploratory Workshop in collaboration with the European Neutron Scattering Association (ENSA) held... Materials science 109 Engineering 120 Further applications of neutrons 128 Appendix 133 A. Invitation letter

Source: Dove, Martin - Department of Earth Sciences, University of Cambridge

Collection: Materials Science ; Geosciences

Summary:  MCNPX Simulations for Neutron Cross Section Measurements MILAN TESINSKY Licentiate Thesis... at the Theodor Svedberg Laboratory for neutron scattering cross-section measure- ments. The thesis describes... processes and data important for the upcoming off-line data analysis. In the experiment, neutrons scattered

Source: Haviland, David - Department of Physics, Royal Institute of Technology, Sweden

Collection: Materials Science

Summary:  transport - neutron emission profile - detailed energy distribution of neutral particle fluxes - in Weak... transport #12;JT-60U Neutron Profile Monitor Objectives : -Measure radial profile of neutron emission rate... investigate energetic ion transport from change ...

Source: Fusiongnition Research Experiment (FIRE)

Collection: Plasma Physics and Fusion

Summary:  City, Vietnam and Nguyen Thi Ai Thu Transport College, 189 Kinh Duong Vuong Street, District 6... a simple model to calculate multiplicities of the neutrons emitted in the interaction of a proton beam... or stable ones needs continuous neutron fluxes with intensity in the 1016 n/cm2 range [3]. Such intensity

Source: International Centre for Theoretical Physics (ICTP), Trieste, Italy

Collection: Physics

Summary:  neutrons requires a realistic model of the transport process itself. Also, in an ADS, #uctuations... "cance of the energy correlations of spallation neutrons on the neutron #uctuations in accelerator-driven subcritical... of neutron #uctuations in spallation-driven subcritical systems ...

Source: Pázsit, Imre - Department of Reactor Physics,Chalmers University of Technology

Collection: Fission and Nuclear Technologies

Summary:  's largest science and energy laboratory, ORNL applies signature strengths in neutron science and technology... the construction and operation of one of the nation's largest science facilities, the Spallation Neutron Source... in Canada, Dr. Mason is recognized as an international leader in the application of neutron scattering

Source: Oak Ridge National Laboratory, Carbon Dioxide Information Analysis Center, Global Ocean Data Analysis Project (GLODAP)

Collection: Environmental Sciences and Ecology

Summary:  Leader in Neutron Research (Condensed matter, Magnetism, Chemistry, Biology, Crystallography, Materials... , Nuclear and Particle Physics ) Experimental neutron facility #12;INSTITUT MAX VON LAUE - PAUL LANGEVIN07... scientists per year 1.5 1.5 Experimental neutron facility #12;INSTITUT MAX VON LAUE - PAUL LANGEVIN07

Source: Titov, Anatoly - Laboratory of Molecular Beams, Petersburg Nuclear Physics Institute

Collection: Physics

Summary:  of neutron and gamma transport simulations show the effects, positive and negative, of various vehicle... Rapid Detection of Vehicle Bombs Using Neutron Interrogation J. C. Cooper, Y. E. Kim, D. S. Koltick... of political action. The system developed uses a Cf-252 neutron source and High Purity Germanium ...

Source: Koltick, David - Department of Physics, Purdue University

Collection: Physics

Summary:  EXPLORATIONS ALONG THE NEUTRON DRIPLINE M. THOENNESSEN Department of Physics & Astronomy... properties. Current and future techniques to produce and study very neutron-rich nuclei will be discussed... . A few examples of light nuclei which are currently in reach at and even beyond the neutron dripline

Source: Thoennessen, Michael - Department of Physics and Astronomy & National Superconducting Cyclotron Laboratory, Michigan State University

Collection: Physics

Summary:  FOR THEORETICAL PHYSICS A STUDY OF NEUTRON PRODUCTION IN PROTON REACTIONS WITH HEAVY TARGETS Nguyen Mong Giao1... Transport College, 189 Kinh Duong Vuong Street, District 6, Hochiminh City, Vietnam and Chau Van Tao... neutrons produced per incident proton. Neutron production, angular and energy distributions ...

Source: International Centre for Theoretical Physics (ICTP), Trieste, Italy

Collection: Physics

Summary:  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.2 Neutrons in Silicon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 Errors... .1 Cosmic shower through atmosphere. . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Terrestrial neutron... .3 Neutron cross-section of selected material across ...

Source: Huang, Michael C. - Department of Electrical and Computer Engineering, University of Rochester

Collection: Computer Technologies and Information Sciences

Summary:  of the stochastic transport, such as in the well-known MCNP package6 for calculating neutron fluxes, leakage... was modified to a full-statistics code for neutron and gamma-ray transport: MCNP-PoliMi ~Ref. 8!. Using MCNP... quantity related to the neutron and photon ...

Source: Pázsit, Imre - Department of Reactor Physics,Chalmers University of Technology

Collection: Fission and Nuclear Technologies

Summary:  in Fig. 1. a) The Beam. Cold neutrons were transported to the experimental area along a total re... discussed above: a) a cold neutron beam transported t o t h e experimental area by a curved guide... and Guide. Cold neutrons will be transported to the experimental ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  and Perforated Semiconductor Neutron Detectors J. Kenneth Shultis and Douglas S. McGregor, Member, IEEE Abstract... the thermal neutron detection efficiency. In this paper, two basic perforation designs, circular holes... -efficiency thermal neutron detectors. The modeling results indicate that ...

Source: Shultis, J. Kenneth - Department of Mechanical and Nuclear Engineering, Kansas State University

Collection: Fission and Nuclear Technologies

Summary:  0.5 s exposure to neutrons produced by the beam, the shuttle is transported quickly (1.2 s) over 24... simulation [7] which has taken up the most challenging approach to the problem of neutron transport... and burnup simulation by integrating transport of the ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  ". Springer-Verlag. Lewis, E.E., Miller, Jr.W.F. (1984): "Computational Methods of Neutron Transport". John... and uncertainties in Monte Carlo particle transport calculations for neutron spectrometry". Nuclear Instruments... , pp. 255-257 Allen, W.D., (1960): "Fast Neutron Physics". Vol. ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  exiting the second monochromator. The neutrons are transported 30 m to the external facility. The neutrons... Beamline Performance Simulations for the Fundamental Neutron Physics Beamline P. R. Huffman1,2, D... are being performed to design and characterize the neutron optics components ...

Source: Controlled Fusion Atomic Data Center (CFADC)

Collection: Plasma Physics and Fusion

Summary:  /3 Number of neutron beam shutters 18 Initial number of instruments 5 a Linear accelerator. b High... -energy beam transport (system). c Ring-to-target beam transport (system). Beam Line Allocation Beam Line... Positiona Moderator Instrument 1A TU Hydrogen decoupled Ultra-Small-Angle Neutron Scattering ...

Source: Controlled Fusion Atomic Data Center (CFADC)

Collection: Plasma Physics and Fusion

Summary:  transport; neutron fluctuations; zero power noise; power reactor noise; master equations; Langevin equation... neutron transport theory. Proc. R. Soc. Lond. A 362, 537. P´al, L. 1958 On the theory of stochastic... . Sahni, D. C. 1989 An application of reactor noise techniques to neutron ...

Source: Pázsit, Imre - Department of Reactor Physics,Chalmers University of Technology

Collection: Fission and Nuclear Technologies

Summary:  -energetic neutron beams It is shown in Table 4 and Fig. 4 that the attenuation length of neutrons transported... Radiation shielding of high-energy neutrons in SAD P. Seltborg1 , A. Polanski2 , S. Petrochenkov2... fields into a spallation-induced and a fission-induced part, it was shown that the ...

Source: Royal Institute of Technology (Sweden), Department of Physics, Reactor Physics Program

Collection: Fission and Nuclear Technologies

Summary:  by neutron monitors, and interplanetary proton transport parameters are known (Torsti et al., 1996), one has... A JOINT ANALYSIS OF HIGH-ENERGY NEUTRONS AND NEUTRON-l)ECAY PROTONS FROM A FLARE I.. G. KOCI... solar flare, l)ifi~wenl possible scenarios of the neutron production are ...

Source: Usoskin, Ilya G. - Sodankyla Geophysical Observatory, University of Oulu

Collection: Geosciences ; Physics

Summary:  such as K, Th, and U. A diagram of production and transport processes for neutrons and gamma rays is shown... , New Mexico 1. Introduction 5. Science 2. Origin of gamma rays and neutrons 6. Future Prospects 3... the elemental composition of planetary surfaces and atmo- spheres. Radiation, including gamma rays and ...

Source: Jet Propulsion Laboratory, Tropospheric Emission Spectrometer Team

Collection: Environmental Sciences and Ecology ; Geosciences

Summary:  of the transport of a focused cold neutron beam from the cold source to the detector system within a large... for transitions of neutrons to antineutrons in a 1-km long vertical shaft at the Deep Underground Science... and Engineering Laboratory (DUSEL). An observation of neutron to antineutron transitions ...

Source: Dai, Pengcheng - Department of Physics and Astronomy, University of Tennessee

Collection: Materials Science ; Physics

Summary:  .5-16.6, on White dwarf cooling and the age of the Galaxy Neutron degeneracy pressure and neutron stars The neutron... Energy transport in white dwarf interiors is dominated by conduction by the degenerate electrons, instead... energy transport equation with an "effective conductive ...

Source: Mamajek, Eric E. - Department of Physics and Astronomy, University of Rochester

Collection: Physics

Summary:  on uncertainties in either (1) the neutron energy spectrum emerging from the bomb, (2) cal- culated transport... a Significant Neutron Dose to Survivors of the HiroshimaAtomic Bomb David J. Brenner Centerfor Radiological... Biological Evidence for a Significant Neutron Dose to Survivors of the Hiroshima ...

Source: Brenner, David Jonathan - Center for Radiological Research & Department of Environmental Health Sciences, Columbia University

Collection: Biology and Medicine

Summary:  , Oxford, United Kingdom ~1987!. 14. "MCNP: A General Monte Carlo Code for Neutron and Photon Transport... Technical Note Neutron Skyshine Calculations with the Integral Line-Beam Method Ah Auu Gui, J... - and conical-beam response functions are used to calculate neutron skyshine doses for four idealized source

Source: Shultis, J. Kenneth - Department of Mechanical and Nuclear Engineering, Kansas State University

Collection: Fission and Nuclear Technologies

Summary:  A TRANSPORTABLE, NEUTRON-BASED CONTRABAND DETECTION SYSTEM George Vourvopoulos Department... that can be inserted between sacks to inspect them for hidden contraband. We report on a neutron... the transmission of fast neutrons through the interrogated object. The system is composed of a fast ...

Source: Western Kentucky University, Applied Physics Institute

Collection: Engineering

Summary:  with the Monte Carlo radiation transport code MCNPX 2.5d [6] of the neutron flux as a function of time after... at the 800-MeV proton accelerator of the Los Alamos Neutron Science Center (LANSCE). The LSDS is designed... to study neutron-induced fission on actinides that can only be obtained or used in small ...

Source: Danon, Yaron - Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute

Collection: Fission and Nuclear Technologies

Summary:  to produce up to 1019 DT neutrons. This will provide unprecedented opportunities and challenges for the use... and carbon activation for fuel areal density, neutron time-of-flight detectors for yield and ion temperature... , a gamma bang time detector, and neutron imaging systems for primary and downscattered ...

Source: Massachusetts Institute of Technology (MIT), Plasma Science and Fusion Center, High-Energy-Density Physics Group

Collection: Plasma Physics and Fusion ; Physics

Summary:  to the neutron transport. KEYWORDS: ADS, subcritical reactor, reactivity monitoring, neutron spectroscopy, 3 He... . This gives us a direct test of the neutron transport understanding. Acknowledgements We are very grateful... Measurements and Neutron Spectroscopy in ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  , Monte Carlo simulation of neutron transport in a homogeneous reactor with a partially inserted control... ) 607}616 Measurement of the neutron current and its use for the localisation of a neutron source S... neutron #ux, the information contained in the higher angular moments of the ...

Source: Pázsit, Imre - Department of Reactor Physics,Chalmers University of Technology

Collection: Fission and Nuclear Technologies

Summary:  will be detailed for the high-yield neutron activation system on NIF. A pneumatic transport system similar... for anisotropies l "Total Neutron Yield" and "High-Yield" systems expecting to share pneumatic transport system. l... CWB, 6/25/00 High-Yield Neutron Activation System for the ...

Source: Barnes, Cris W. - Los Alamos National Laboratory

Collection: Plasma Physics and Fusion

Summary:  (MCNP) neutron transport calculations shows that only ~50% of 2.5 MeV neutrons would leave the chamber... of their detector. Actually, their detection efficiency for 2.5 MeV neutrons (based on calibration with a Pu... , and consistent with the results from our tritium measurements. Statistically significant ...

Source: Lahey, Richard T. - Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute

Collection: Fission and Nuclear Technologies

Summary:  of experiment. Essential for such studies will be development of cold source-neutron transport and annihilation... group. CSUDH with UT will provide generator of annihilation events, neutron transport in Earth... Universities will address the feasibility of a new "NNbar" experiment to search for transitions ...

Source: Dai, Pengcheng - Department of Physics and Astronomy, University of Tennessee

Collection: Materials Science ; Physics

Summary:  PHYSICAL REVIEW C 83, 064612 (2011) Advanced Monte Carlo modeling of prompt fission neutrons... for thermal and fast neutron-induced fission reactions on 239 Pu P. Talou,1,* B. Becker,2 T. Kawano,1 M. B... June 2011) Prompt fission neutrons following the thermal and 0.5 MeV neutron-induced fission reaction

Source: Danon, Yaron - Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute

Collection: Fission and Nuclear Technologies

Summary:  , transport, and reaction of neutrons and gamma rays [5]. The first calculation is conducted thor- oughly from... thermal neutron transport to energy deposition of gamma rays in the Ge crystal using the hadronic physics... GAMMA RAYS FROM MAJOR ELEMENTS BY THERMAL NEUTRON CAPTURE ...

Source: Berezhnoi, Aleksei A. - Sternberg Astronomical Institute, Moscow University

Collection: Physics

Summary:  for photon and neutron transport calculations. The resultant MCNP4B-GN is capable of detailed modelling... al 2000) and retains the ability of MCNP4B to transport neutrons or photons through complex... and considers neutron production and transport within a realistic ...

Source: Glasgow, University of - Department of Physics and Astronomy, Nuclear Physics Experimental Group

Collection: Mathematics