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Title: Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data

Abstract

In this work, we study a phenomenological class of models where dark matter converts to dark radiation in the low redshift epoch. This class of models, dubbed DMDR, characterizes the evolution of comoving dark-matter density with two extra parameters, and may be able to help alleviate the observed discrepancies between early and late-time probes of the Universe. We investigate how the conversion affects key cosmological observables such as the cosmic microwave background (CMB) temperature and matter power spectra. Combining 3x2pt data from Year 1 of the Dark Energy Survey, Planck-2018 CMB temperature and polarization data, supernovae (SN) Type Ia data from Pantheon, and baryon acoustic oscillation (BAO) data from BOSS DR12, MGS and 6dFGS, we place new constraints on the amount of dark matter that has converted to dark radiation and the rate of this conversion. The fraction of the dark matter that has converted since the beginning of the Universe in units of the current amount of dark matter, ζ, is constrained at 68% confidence level to be <0.32 for DES-Y1 3x2pt data, <0.030 for CMB+SN+BAO data, and <0.037 for the combined dataset. The probability that the DES and CMB+SN+BAO datasets are concordant increases from 4% for the ΛCDMmore » model to 8% (less tension) for DMDR. The tension in S8=σ8√Ωm/0.3 between DES-Y1 3x2pt and CMB+SN+BAO is slightly reduced from 2.3σ to 1.9σ. We find no reduction in the Hubble tension when the combined data is compared to distance-ladder measurements in the DMDR model. The maximum-posterior goodness-of-fit statistics of DMDR and ΛCDM model are comparable, indicating no preference for the DMDR cosmology over ΛCDM.« less

Authors:
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Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); MICIN; CNPq; USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Org.:
DES Collaboration
OSTI Identifier:
1813607
Alternate Identifier(s):
OSTI ID: 1765962; OSTI ID: 1818681; OSTI ID: 1837669; OSTI ID: 1872928
Report Number(s):
FERMILAB-PUB-20-598-AD-AE-SCD; arXiv:2011.04606
Journal ID: ISSN 2470-0010; TRN: US2213350
Grant/Contract Number:  
AC02-76SF00515; AST-1138766; AST-1536171; 465376/2014-2; ESP2017-89838; PGC2018-094773; PGC2018-102021; SEV-2016-0588; SEV-2016-0597; MDM-2015-0509; 240672; 291329; 306478; FP7/2007-2013; 2012B-0001; AC02-07CH11359; AC05-00OR22725; SC0010118; SC0019193
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. D.
Additional Journal Information:
Journal Volume: 103; 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; cosmological parameters; dark energy; dark matter; evolution of the universe; large scale structure of the universe; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Chen, A., Huterer, D., Lee, S., Ferté, A., Weaverdyck, N., Alves, O., Leonard, C.  D., MacCrann, N., Raveri, M., Porredon, A., Di Valentino, E., Muir, J., Lemos, P., Liddle, A.  R., Blazek, J., Campos, A., Cawthon, R., Choi, A., Dodelson, S., Elvin-Poole, J., Gruen, D., Ross, A.  J., Secco, L.  F., Sevilla-Noarbe, I., Sheldon, E., Troxel, M.  A., Zuntz, J., Abbott, T.  M. C., Aguena, M., Allam, S., Annis, J., Avila, S., Bertin, E., Bhargava, S., Bridle, S.  L., Brooks, D., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Costanzi, M., Crocce, M., da Costa, L.  N., Pereira, M.  E. S., Davis, T.  M., Doel, P., Eifler, T.  F., Ferrero, I., Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Gerdes, D.  W., Gruendl, R.  A., Gschwend, J., Gutierrez, G., Hinton, S.  R., Hollowood, D.  L., Honscheid, K., Hoyle, B., James, D.  J., Jarvis, M., Kuehn, K., Lahav, O., Maia, M.  A. G., Marshall, J.  L., Menanteau, F., Miquel, R., Morgan, R., Palmese, A., Paz-Chinchón, F., Plazas, A.  A., Roodman, A., Sanchez, E., Scarpine, V., Schubnell, M., Serrano, S., Smith, M., Suchyta, E., Tarle, G., Thomas, D., To, C., Varga, T.  N., Weller, J., and Wilkinson, R.  D. Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data. United States: N. p., 2021. Web. doi:10.1103/physrevd.103.123528.
Chen, A., Huterer, D., Lee, S., Ferté, A., Weaverdyck, N., Alves, O., Leonard, C.  D., MacCrann, N., Raveri, M., Porredon, A., Di Valentino, E., Muir, J., Lemos, P., Liddle, A.  R., Blazek, J., Campos, A., Cawthon, R., Choi, A., Dodelson, S., Elvin-Poole, J., Gruen, D., Ross, A.  J., Secco, L.  F., Sevilla-Noarbe, I., Sheldon, E., Troxel, M.  A., Zuntz, J., Abbott, T.  M. C., Aguena, M., Allam, S., Annis, J., Avila, S., Bertin, E., Bhargava, S., Bridle, S.  L., Brooks, D., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Costanzi, M., Crocce, M., da Costa, L.  N., Pereira, M.  E. S., Davis, T.  M., Doel, P., Eifler, T.  F., Ferrero, I., Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Gerdes, D.  W., Gruendl, R.  A., Gschwend, J., Gutierrez, G., Hinton, S.  R., Hollowood, D.  L., Honscheid, K., Hoyle, B., James, D.  J., Jarvis, M., Kuehn, K., Lahav, O., Maia, M.  A. G., Marshall, J.  L., Menanteau, F., Miquel, R., Morgan, R., Palmese, A., Paz-Chinchón, F., Plazas, A.  A., Roodman, A., Sanchez, E., Scarpine, V., Schubnell, M., Serrano, S., Smith, M., Suchyta, E., Tarle, G., Thomas, D., To, C., Varga, T.  N., Weller, J., & Wilkinson, R.  D. Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data. United States. https://doi.org/10.1103/physrevd.103.123528
Chen, A., Huterer, D., Lee, S., Ferté, A., Weaverdyck, N., Alves, O., Leonard, C.  D., MacCrann, N., Raveri, M., Porredon, A., Di Valentino, E., Muir, J., Lemos, P., Liddle, A.  R., Blazek, J., Campos, A., Cawthon, R., Choi, A., Dodelson, S., Elvin-Poole, J., Gruen, D., Ross, A.  J., Secco, L.  F., Sevilla-Noarbe, I., Sheldon, E., Troxel, M.  A., Zuntz, J., Abbott, T.  M. C., Aguena, M., Allam, S., Annis, J., Avila, S., Bertin, E., Bhargava, S., Bridle, S.  L., Brooks, D., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Costanzi, M., Crocce, M., da Costa, L.  N., Pereira, M.  E. S., Davis, T.  M., Doel, P., Eifler, T.  F., Ferrero, I., Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Gerdes, D.  W., Gruendl, R.  A., Gschwend, J., Gutierrez, G., Hinton, S.  R., Hollowood, D.  L., Honscheid, K., Hoyle, B., James, D.  J., Jarvis, M., Kuehn, K., Lahav, O., Maia, M.  A. G., Marshall, J.  L., Menanteau, F., Miquel, R., Morgan, R., Palmese, A., Paz-Chinchón, F., Plazas, A.  A., Roodman, A., Sanchez, E., Scarpine, V., Schubnell, M., Serrano, S., Smith, M., Suchyta, E., Tarle, G., Thomas, D., To, C., Varga, T.  N., Weller, J., and Wilkinson, R.  D. 2021. "Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data". United States. https://doi.org/10.1103/physrevd.103.123528. https://www.osti.gov/servlets/purl/1813607.
@article{osti_1813607,
title = {Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data},
author = {Chen, A. and Huterer, D. and Lee, S. and Ferté, A. and Weaverdyck, N. and Alves, O. and Leonard, C.  D. and MacCrann, N. and Raveri, M. and Porredon, A. and Di Valentino, E. and Muir, J. and Lemos, P. and Liddle, A.  R. and Blazek, J. and Campos, A. and Cawthon, R. and Choi, A. and Dodelson, S. and Elvin-Poole, J. and Gruen, D. and Ross, A.  J. and Secco, L.  F. and Sevilla-Noarbe, I. and Sheldon, E. and Troxel, M.  A. and Zuntz, J. and Abbott, T.  M. C. and Aguena, M. and Allam, S. and Annis, J. and Avila, S. and Bertin, E. and Bhargava, S. and Bridle, S.  L. and Brooks, D. and Carnero Rosell, A. and Carrasco Kind, M. and Carretero, J. and Costanzi, M. and Crocce, M. and da Costa, L.  N. and Pereira, M.  E. S. and Davis, T.  M. and Doel, P. and Eifler, T.  F. and Ferrero, I. and Fosalba, P. and Frieman, J. and García-Bellido, J. and Gaztanaga, E. and Gerdes, D.  W. and Gruendl, R.  A. and Gschwend, J. and Gutierrez, G. and Hinton, S.  R. and Hollowood, D.  L. and Honscheid, K. and Hoyle, B. and James, D.  J. and Jarvis, M. and Kuehn, K. and Lahav, O. and Maia, M.  A. G. and Marshall, J.  L. and Menanteau, F. and Miquel, R. and Morgan, R. and Palmese, A. and Paz-Chinchón, F. and Plazas, A.  A. and Roodman, A. and Sanchez, E. and Scarpine, V. and Schubnell, M. and Serrano, S. and Smith, M. and Suchyta, E. and Tarle, G. and Thomas, D. and To, C. and Varga, T.  N. and Weller, J. and Wilkinson, R.  D.},
abstractNote = {In this work, we study a phenomenological class of models where dark matter converts to dark radiation in the low redshift epoch. This class of models, dubbed DMDR, characterizes the evolution of comoving dark-matter density with two extra parameters, and may be able to help alleviate the observed discrepancies between early and late-time probes of the Universe. We investigate how the conversion affects key cosmological observables such as the cosmic microwave background (CMB) temperature and matter power spectra. Combining 3x2pt data from Year 1 of the Dark Energy Survey, Planck-2018 CMB temperature and polarization data, supernovae (SN) Type Ia data from Pantheon, and baryon acoustic oscillation (BAO) data from BOSS DR12, MGS and 6dFGS, we place new constraints on the amount of dark matter that has converted to dark radiation and the rate of this conversion. The fraction of the dark matter that has converted since the beginning of the Universe in units of the current amount of dark matter, ζ, is constrained at 68% confidence level to be <0.32 for DES-Y1 3x2pt data, <0.030 for CMB+SN+BAO data, and <0.037 for the combined dataset. The probability that the DES and CMB+SN+BAO datasets are concordant increases from 4% for the ΛCDM model to 8% (less tension) for DMDR. The tension in S8=σ8√Ωm/0.3 between DES-Y1 3x2pt and CMB+SN+BAO is slightly reduced from 2.3σ to 1.9σ. We find no reduction in the Hubble tension when the combined data is compared to distance-ladder measurements in the DMDR model. The maximum-posterior goodness-of-fit statistics of DMDR and ΛCDM model are comparable, indicating no preference for the DMDR cosmology over ΛCDM.},
doi = {10.1103/physrevd.103.123528},
url = {https://www.osti.gov/biblio/1813607}, journal = {Physical Review. D.},
issn = {2470-0010},
number = 12,
volume = 103,
place = {United States},
year = {Thu Jun 10 00:00:00 EDT 2021},
month = {Thu Jun 10 00:00:00 EDT 2021}
}

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