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Title: Dark Energy Survey year 1 results: Constraints on extended cosmological models from galaxy clustering and weak lensing

Abstract

We introduce constraints on extensions of the minimal cosmological models dominated by dark matter and dark energy, ΛCDM and wCDM, by utilizing a combined analysis of galaxy clustering and weak gravitational lensing from the first-year data of the Dark Energy Survey (DES Y1) in combination with external data. We consider four extensions of the minimal dark energy-dominated scenarios: (1) nonzero curvature Ωk, (2) number of relativistic species Neff different from the standard value of 3.046, (3) time-varying equation-of-state of dark energy described by the parameters w0 and wa (alternatively quoted by the values at the pivot redshift, wp, and wa), and (4) modified gravity described by the parameters μ0 and Σ0 that modify the metric potentials. We also consider external information from Planck cosmic microwave background measurements; baryon acoustic oscillation measurements from SDSS, 6dF, and BOSS; redshift-space distortion measurements from BOSS; and type Ia supernova information from the Pantheon compilation of datasets. Constraints on curvature and the number of relativistic species are dominated by the external data; when these are combined with DES Y1, we find Ωk=0.0020$$^{+0.0037}_{-0.0032} $$ at the 68% confidence level, and the upper limit Neff<3.28(3.55) at 68% (95%) confidence, assuming a hard prior Neff>3.0. For the time-varying equation-of-state, we find the pivot value (wp,wa)=(-0.91$$^{+0.19}_{-0.23} $$,-0.57$$^{+0.93}_{-1.11} $$) at pivot redshift zp=0.27 from DES alone, and (wp,wa)=(-1.01$$^{+0.04}_{-0.04} $$,-0.28$$^{+0.37}_{-0.48} $$) at zp=0.20 from DES Y1 combined with external data; in either case we find no evidence for the temporal variation of the equation of state. For modified gravity, we find the present-day value of the relevant parameters to be Σ0=0.43$$^{+0.28}_{-0.29} $$ from DES Y1 alone, and (Σ0,μ0)=(0.06$$^{+0.08}_{-0.07} $$,-0.11$$^{+0.42}_{-0.46} $$) from DES Y1 combined with external data. These modified-gravity constraints are consistent with predictions from general relativity.

Authors:
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Publication Date:
Research Org.:
Carnegie Mellon Univ., Pittsburgh, PA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); The Ohio State Univ., Columbus, OH (United States); Univ. of Michigan, Ann Arbor MI (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
Contributing Org.:
DES Collaboration
OSTI Identifier:
1755660
Alternate Identifier(s):
OSTI ID: 1487047; OSTI ID: 1531219; OSTI ID: 1532377; OSTI ID: 1546227; OSTI ID: 1550901; OSTI ID: 1602526; OSTI ID: 1725773
Report Number(s):
arXiv:1810.02499; FERMILAB-PUB-18-507-PPD; DES-2018-0376
Journal ID: ISSN 2470-0010; TRN: US2205563
Grant/Contract Number:  
SC0019193; SC0011726; SC0007859; AC05-00OR22725; SC0010118; AC02-07CH11359; AST-1138766; AST-1536171; AC02-05CH11231; ACI-1445606; AC02-76SF00515; AYA2015-71825; ESP2015-88861; FPA2015-68048; SEV-2012-0234; SEV-2016-0597; MDM-2015-0509; 240672; 291329; 306478; FP7/2007-2013; CE110001020
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 99; Journal Issue: 12; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Dark energy; Dark matter; Large scale structure of the Universe

Citation Formats

Abbott, T.  M. C., Abdalla, F.  B., Avila, S., Banerji, M., Baxter, E., Bechtol, K., Becker, M.  R., Bertin, E., Blazek, J., Bridle, S.  L., Brooks, D., Brout, D., Burke, D.  L., Campos, A., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Castander, F.  J., Cawthon, R., Chang, C., Chen, A., Crocce, M., Cunha, C.  E., da Costa, L.  N., Davis, C., De Vicente, J., DeRose, J., Desai, S., Di Valentino, E., Diehl, H.  T., Dietrich, J.  P., Dodelson, S., Doel, P., Drlica-Wagner, A., Eifler, T.  F., Elvin-Poole, J., Evrard, A.  E., Fernandez, E., Ferté, A., Flaugher, B., Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Gerdes, D.  W., Giannantonio, T., Gruen, D., Gruendl, R.  A., Gschwend, J., Gutierrez, G., Hartley, W.  G., Hollowood, D.  L., Honscheid, K., Hoyle, B., Huterer, D., Jain, B., Jeltema, T., Johnson, M.  W. G., Johnson, M.  D., Kim, A.  G., Krause, E., Kuehn, K., Kuropatkin, N., Lahav, O., Lee, S., Lemos, P., Leonard, C.  D., Li, T.  S., Liddle, A.  R., Lima, M., Lin, H., Maia, M.  A. G., Marshall, J.  L., Martini, P., Menanteau, F., Miller, C.  J., Miquel, R., Miranda, V., Mohr, J.  J., Muir, J., Nichol, R.  C., Nord, B., Ogando, R.  L. C., Plazas, A.  A., Raveri, M., Rollins, R.  P., Romer, A.  K., Roodman, A., Rosenfeld, R., Samuroff, S., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Scolnic, D., Secco, L.  F., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M.  E. C., Tarle, G., Thomas, D., Troxel, M.  A., Vikram, V., Walker, A.  R., Weaverdyck, N., Wechsler, R.  H., Weller, J., Yanny, B., Zhang, Y., and Zuntz, J. Dark Energy Survey year 1 results: Constraints on extended cosmological models from galaxy clustering and weak lensing. United States: N. p., 2019. Web. doi:10.1103/physrevd.99.123505.
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Abbott, T.  M. C., Abdalla, F.  B., Avila, S., Banerji, M., Baxter, E., Bechtol, K., Becker, M.  R., Bertin, E., Blazek, J., Bridle, S.  L., Brooks, D., Brout, D., Burke, D.  L., Campos, A., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Castander, F.  J., Cawthon, R., Chang, C., Chen, A., Crocce, M., Cunha, C.  E., da Costa, L.  N., Davis, C., De Vicente, J., DeRose, J., Desai, S., Di Valentino, E., Diehl, H.  T., Dietrich, J.  P., Dodelson, S., Doel, P., Drlica-Wagner, A., Eifler, T.  F., Elvin-Poole, J., Evrard, A.  E., Fernandez, E., Ferté, A., Flaugher, B., Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Gerdes, D.  W., Giannantonio, T., Gruen, D., Gruendl, R.  A., Gschwend, J., Gutierrez, G., Hartley, W.  G., Hollowood, D.  L., Honscheid, K., Hoyle, B., Huterer, D., Jain, B., Jeltema, T., Johnson, M.  W. G., Johnson, M.  D., Kim, A.  G., Krause, E., Kuehn, K., Kuropatkin, N., Lahav, O., Lee, S., Lemos, P., Leonard, C.  D., Li, T.  S., Liddle, A.  R., Lima, M., Lin, H., Maia, M.  A. G., Marshall, J.  L., Martini, P., Menanteau, F., Miller, C.  J., Miquel, R., Miranda, V., Mohr, J.  J., Muir, J., Nichol, R.  C., Nord, B., Ogando, R.  L. C., Plazas, A.  A., Raveri, M., Rollins, R.  P., Romer, A.  K., Roodman, A., Rosenfeld, R., Samuroff, S., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Scolnic, D., Secco, L.  F., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M.  E. C., Tarle, G., Thomas, D., Troxel, M.  A., Vikram, V., Walker, A.  R., Weaverdyck, N., Wechsler, R.  H., Weller, J., Yanny, B., Zhang, Y., & Zuntz, J. Dark Energy Survey year 1 results: Constraints on extended cosmological models from galaxy clustering and weak lensing. United States. https://doi.org/10.1103/physrevd.99.123505
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Abbott, T.  M. C., Abdalla, F.  B., Avila, S., Banerji, M., Baxter, E., Bechtol, K., Becker, M.  R., Bertin, E., Blazek, J., Bridle, S.  L., Brooks, D., Brout, D., Burke, D.  L., Campos, A., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Castander, F.  J., Cawthon, R., Chang, C., Chen, A., Crocce, M., Cunha, C.  E., da Costa, L.  N., Davis, C., De Vicente, J., DeRose, J., Desai, S., Di Valentino, E., Diehl, H.  T., Dietrich, J.  P., Dodelson, S., Doel, P., Drlica-Wagner, A., Eifler, T.  F., Elvin-Poole, J., Evrard, A.  E., Fernandez, E., Ferté, A., Flaugher, B., Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Gerdes, D.  W., Giannantonio, T., Gruen, D., Gruendl, R.  A., Gschwend, J., Gutierrez, G., Hartley, W.  G., Hollowood, D.  L., Honscheid, K., Hoyle, B., Huterer, D., Jain, B., Jeltema, T., Johnson, M.  W. G., Johnson, M.  D., Kim, A.  G., Krause, E., Kuehn, K., Kuropatkin, N., Lahav, O., Lee, S., Lemos, P., Leonard, C.  D., Li, T.  S., Liddle, A.  R., Lima, M., Lin, H., Maia, M.  A. G., Marshall, J.  L., Martini, P., Menanteau, F., Miller, C.  J., Miquel, R., Miranda, V., Mohr, J.  J., Muir, J., Nichol, R.  C., Nord, B., Ogando, R.  L. C., Plazas, A.  A., Raveri, M., Rollins, R.  P., Romer, A.  K., Roodman, A., Rosenfeld, R., Samuroff, S., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Scolnic, D., Secco, L.  F., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M.  E. C., Tarle, G., Thomas, D., Troxel, M.  A., Vikram, V., Walker, A.  R., Weaverdyck, N., Wechsler, R.  H., Weller, J., Yanny, B., Zhang, Y., and Zuntz, J. Fri . "Dark Energy Survey year 1 results: Constraints on extended cosmological models from galaxy clustering and weak lensing". United States. https://doi.org/10.1103/physrevd.99.123505. https://www.osti.gov/servlets/purl/1755660.
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@article{osti_1755660,
title = {Dark Energy Survey year 1 results: Constraints on extended cosmological models from galaxy clustering and weak lensing},
author = {Abbott, T.  M. C. and Abdalla, F.  B. and Avila, S. and Banerji, M. and Baxter, E. and Bechtol, K. and Becker, M.  R. and Bertin, E. and Blazek, J. and Bridle, S.  L. and Brooks, D. and Brout, D. and Burke, D.  L. and Campos, A. and Carnero Rosell, A. and Carrasco Kind, M. and Carretero, J. and Castander, F.  J. and Cawthon, R. and Chang, C. and Chen, A. and Crocce, M. and Cunha, C.  E. and da Costa, L.  N. and Davis, C. and De Vicente, J. and DeRose, J. and Desai, S. and Di Valentino, E. and Diehl, H.  T. and Dietrich, J.  P. and Dodelson, S. and Doel, P. and Drlica-Wagner, A. and Eifler, T.  F. and Elvin-Poole, J. and Evrard, A.  E. and Fernandez, E. and Ferté, A. and Flaugher, B. and Fosalba, P. and Frieman, J. and García-Bellido, J. and Gaztanaga, E. and Gerdes, D.  W. and Giannantonio, T. and Gruen, D. and Gruendl, R.  A. and Gschwend, J. and Gutierrez, G. and Hartley, W.  G. and Hollowood, D.  L. and Honscheid, K. and Hoyle, B. and Huterer, D. and Jain, B. and Jeltema, T. and Johnson, M.  W. G. and Johnson, M.  D. and Kim, A.  G. and Krause, E. and Kuehn, K. and Kuropatkin, N. and Lahav, O. and Lee, S. and Lemos, P. and Leonard, C.  D. and Li, T.  S. and Liddle, A.  R. and Lima, M. and Lin, H. and Maia, M.  A. G. and Marshall, J.  L. and Martini, P. and Menanteau, F. and Miller, C.  J. and Miquel, R. and Miranda, V. and Mohr, J.  J. and Muir, J. and Nichol, R.  C. and Nord, B. and Ogando, R.  L. C. and Plazas, A.  A. and Raveri, M. and Rollins, R.  P. and Romer, A.  K. and Roodman, A. and Rosenfeld, R. and Samuroff, S. and Sanchez, E. and Scarpine, V. and Schindler, R. and Schubnell, M. and Scolnic, D. and Secco, L.  F. and Serrano, S. and Sevilla-Noarbe, I. and Smith, M. and Soares-Santos, M. and Sobreira, F. and Suchyta, E. and Swanson, M.  E. C. and Tarle, G. and Thomas, D. and Troxel, M.  A. and Vikram, V. and Walker, A.  R. and Weaverdyck, N. and Wechsler, R.  H. and Weller, J. and Yanny, B. and Zhang, Y. and Zuntz, J.},
abstractNote = {We introduce constraints on extensions of the minimal cosmological models dominated by dark matter and dark energy, ΛCDM and wCDM, by utilizing a combined analysis of galaxy clustering and weak gravitational lensing from the first-year data of the Dark Energy Survey (DES Y1) in combination with external data. We consider four extensions of the minimal dark energy-dominated scenarios: (1) nonzero curvature Ωk, (2) number of relativistic species Neff different from the standard value of 3.046, (3) time-varying equation-of-state of dark energy described by the parameters w0 and wa (alternatively quoted by the values at the pivot redshift, wp, and wa), and (4) modified gravity described by the parameters μ0 and Σ0 that modify the metric potentials. We also consider external information from Planck cosmic microwave background measurements; baryon acoustic oscillation measurements from SDSS, 6dF, and BOSS; redshift-space distortion measurements from BOSS; and type Ia supernova information from the Pantheon compilation of datasets. Constraints on curvature and the number of relativistic species are dominated by the external data; when these are combined with DES Y1, we find Ωk=0.0020$^{+0.0037}_{-0.0032} $ at the 68% confidence level, and the upper limit Neff<3.28(3.55) at 68% (95%) confidence, assuming a hard prior Neff>3.0. For the time-varying equation-of-state, we find the pivot value (wp,wa)=(-0.91$^{+0.19}_{-0.23} $,-0.57$^{+0.93}_{-1.11} $) at pivot redshift zp=0.27 from DES alone, and (wp,wa)=(-1.01$^{+0.04}_{-0.04} $,-0.28$^{+0.37}_{-0.48} $) at zp=0.20 from DES Y1 combined with external data; in either case we find no evidence for the temporal variation of the equation of state. For modified gravity, we find the present-day value of the relevant parameters to be Σ0=0.43$^{+0.28}_{-0.29} $ from DES Y1 alone, and (Σ0,μ0)=(0.06$^{+0.08}_{-0.07} $,-0.11$^{+0.42}_{-0.46} $) from DES Y1 combined with external data. These modified-gravity constraints are consistent with predictions from general relativity.},
doi = {10.1103/physrevd.99.123505},
journal = {Physical Review D},
number = 12,
volume = 99,
place = {United States},
year = {Fri Jun 07 00:00:00 EDT 2019},
month = {Fri Jun 07 00:00:00 EDT 2019}
}
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Figures / Tables:

Table I Table I: Summary of the extensions to the ΛCDM model that we study in this paper, the parameters that describe these extensions, and the (flat) priors given to these parameters. In addition to the priors listed in the table, we also impose the prior w0 + wa ≤ 0 formore » dark energy, and 2Σ0 + 1 > µ0 for modified gravity.« less
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GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
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SUPERCAL: CROSS-CALIBRATION OF MULTIPLE PHOTOMETRIC SYSTEMS TO IMPROVE COSMOLOGICAL MEASUREMENTS WITH TYPE Ia SUPERNOVAE
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    General cosmography model with spatial curvature
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    • An, Rui; Costa, André A.; Xiao, Linfeng
    • Monthly Notices of the Royal Astronomical Society, Vol. 489, Issue 1
    • DOI: 10.1093/mnras/stz2028

    Nonlocal gravity and gravitational-wave observations
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    Nonlocal gravity and gravitational-wave observations
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    • Belgacem, Enis; Dirian, Yves; Finke, Andreas
    • Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 11
    • DOI: 10.1088/1475-7516/2019/11/022

    Testing deviations from GR at cosmological scales including dynamical dark energy, massive neutrinos, functional or binned parametrizations, and spatial curvature
    journal, November 2019

    Can the quantum vacuum fluctuations really solve the cosmological constant problem?
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