Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies
Abstract
In this work, we perform a comprehensive study of Milky Way (MW) satellite galaxies to constrain the fundamental properties of dark matter (DM). This analysis fully incorporates inhomogeneities in the spatial distribution and detectability of MW satellites and marginalizes over uncertainties in the mapping between galaxies and DM halos, the properties of the MW system, and the disruption of subhalos by the MW disk. Our results are consistent with the cold, collisionless DM paradigm and yield the strongest cosmological constraints to date on particle models of warm, interacting, and fuzzy dark matter. At $$95\%$$ confidence, we report limits on (i) the mass of thermal relic warm DM, $$m_{\rm WDM} > 6.5\ \mathrm{keV}$$ (free-streaming length, $$\lambda_{\rm{fs}} \lesssim 10\,h^{-1}\ \mathrm{kpc}$$), (ii) the velocity-independent DM-proton scattering cross section, $$\sigma_{0} < 8.8\times 10^{-29}\ \mathrm{cm}^{2}$$ for a $$100\ \mathrm{MeV}$$ DM particle mass (DM-proton coupling, $$c_p \lesssim (0.3\ \mathrm{GeV})^{-2}$$), and (iii) the mass of fuzzy DM, $$m_{\phi}> 2.9 \times 10^{-21}\ \mathrm{eV}$$ (de Broglie wavelength, $$\lambda_{\rm{dB}} \lesssim 0.5\ \mathrm{kpc}$$). These constraints are complementary to other observational and laboratory constraints on DM properties.
- Authors:
-
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- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
- Contributing Org.:
- DES Collaboration
- OSTI Identifier:
- 1657468
- Alternate Identifier(s):
- OSTI ID: 1776780; OSTI ID: 1807207; OSTI ID: 1872196
- Report Number(s):
- FERMILAB-PUB-20-277-AE; SLAC-PUB-17554; DES-2020-546; arXiv:2008.00022
Journal ID: ISSN 0031-9007; oai:inspirehep.net:1809848; TRN: US2203265
- Grant/Contract Number:
- AC02-76SF00515; AC02-07CH11359; FP7/2007-2013; 465376/2014-2; SEV-2016-0588; SEV-2016-0597; MDM-2015-0509; PGC2018-094773; PGC2018-102021; ESP2017-89838; NAS5-26555; HST-HF2-51441.001; PHY17-48958; DGE-1656518; AST-1536171; AST-1517422; AST-1138766; 291329; 240672; 306478; AC05-00OR22725; SC0019193
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 126; Journal Issue: 9; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; Dark matter; particle dark matter; galactic halos
Citation Formats
Nadler, E. O., Drlica-Wagner, A., Bechtol, K., Mau, S., Wechsler, R. H., Gluscevic, V., Boddy, K., Pace, A. B., Li, T. S., McNanna, M., Riley, A. H., García-Bellido, J., Mao, Y. -Y., Green, G., Burke, D. L., Peter, A., Jain, B., Abbott, T. M. C., Aguena, M., Allam, S., Annis, J., Avila, S., Brooks, D., Carrasco Kind, M., Carretero, J., Costanzi, M., da Costa, L. N., De Vicente, J., Desai, S., Diehl, H. T., Doel, P., Everett, S., Evrard, A. E., Flaugher, B., Frieman, J., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hinton, S. R., Honscheid, K., Huterer, D., James, D. J., Krause, E., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Marshall, J. L., Menanteau, F., Miquel, R., Palmese, A., Paz-Chinchón, F., Plazas, A. A., Romer, A. K., Sanchez, E., Scarpine, V., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. E. C., Tarle, G., Tucker, D. L., Walker, A. R., and Wester, W. Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies. United States: N. p., 2021.
Web. doi:10.1103/physrevlett.126.091101.
Nadler, E. O., Drlica-Wagner, A., Bechtol, K., Mau, S., Wechsler, R. H., Gluscevic, V., Boddy, K., Pace, A. B., Li, T. S., McNanna, M., Riley, A. H., García-Bellido, J., Mao, Y. -Y., Green, G., Burke, D. L., Peter, A., Jain, B., Abbott, T. M. C., Aguena, M., Allam, S., Annis, J., Avila, S., Brooks, D., Carrasco Kind, M., Carretero, J., Costanzi, M., da Costa, L. N., De Vicente, J., Desai, S., Diehl, H. T., Doel, P., Everett, S., Evrard, A. E., Flaugher, B., Frieman, J., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hinton, S. R., Honscheid, K., Huterer, D., James, D. J., Krause, E., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Marshall, J. L., Menanteau, F., Miquel, R., Palmese, A., Paz-Chinchón, F., Plazas, A. A., Romer, A. K., Sanchez, E., Scarpine, V., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. E. C., Tarle, G., Tucker, D. L., Walker, A. R., & Wester, W. Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies. United States. https://doi.org/10.1103/physrevlett.126.091101
Nadler, E. O., Drlica-Wagner, A., Bechtol, K., Mau, S., Wechsler, R. H., Gluscevic, V., Boddy, K., Pace, A. B., Li, T. S., McNanna, M., Riley, A. H., García-Bellido, J., Mao, Y. -Y., Green, G., Burke, D. L., Peter, A., Jain, B., Abbott, T. M. C., Aguena, M., Allam, S., Annis, J., Avila, S., Brooks, D., Carrasco Kind, M., Carretero, J., Costanzi, M., da Costa, L. N., De Vicente, J., Desai, S., Diehl, H. T., Doel, P., Everett, S., Evrard, A. E., Flaugher, B., Frieman, J., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hinton, S. R., Honscheid, K., Huterer, D., James, D. J., Krause, E., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Marshall, J. L., Menanteau, F., Miquel, R., Palmese, A., Paz-Chinchón, F., Plazas, A. A., Romer, A. K., Sanchez, E., Scarpine, V., Serrano, S., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. E. C., Tarle, G., Tucker, D. L., Walker, A. R., and Wester, W. Mon .
"Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies". United States. https://doi.org/10.1103/physrevlett.126.091101. https://www.osti.gov/servlets/purl/1657468.
@article{osti_1657468,
title = {Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies},
author = {Nadler, E. O. and Drlica-Wagner, A. and Bechtol, K. and Mau, S. and Wechsler, R. H. and Gluscevic, V. and Boddy, K. and Pace, A. B. and Li, T. S. and McNanna, M. and Riley, A. H. and García-Bellido, J. and Mao, Y. -Y. and Green, G. and Burke, D. L. and Peter, A. and Jain, B. and Abbott, T. M. C. and Aguena, M. and Allam, S. and Annis, J. and Avila, S. and Brooks, D. and Carrasco Kind, M. and Carretero, J. and Costanzi, M. and da Costa, L. N. and De Vicente, J. and Desai, S. and Diehl, H. T. and Doel, P. and Everett, S. and Evrard, A. E. and Flaugher, B. and Frieman, J. and Gerdes, D. W. and Gruen, D. and Gruendl, R. A. and Gschwend, J. and Gutierrez, G. and Hinton, S. R. and Honscheid, K. and Huterer, D. and James, D. J. and Krause, E. and Kuehn, K. and Kuropatkin, N. and Lahav, O. and Maia, M. A. G. and Marshall, J. L. and Menanteau, F. and Miquel, R. and Palmese, A. and Paz-Chinchón, F. and Plazas, A. A. and Romer, A. K. and Sanchez, E. and Scarpine, V. and Serrano, S. and Sevilla-Noarbe, I. and Smith, M. and Soares-Santos, M. and Suchyta, E. and Swanson, M. E. C. and Tarle, G. and Tucker, D. L. and Walker, A. R. and Wester, W.},
abstractNote = {In this work, we perform a comprehensive study of Milky Way (MW) satellite galaxies to constrain the fundamental properties of dark matter (DM). This analysis fully incorporates inhomogeneities in the spatial distribution and detectability of MW satellites and marginalizes over uncertainties in the mapping between galaxies and DM halos, the properties of the MW system, and the disruption of subhalos by the MW disk. Our results are consistent with the cold, collisionless DM paradigm and yield the strongest cosmological constraints to date on particle models of warm, interacting, and fuzzy dark matter. At $95\%$ confidence, we report limits on (i) the mass of thermal relic warm DM, $m_{\rm WDM} > 6.5\ \mathrm{keV}$ (free-streaming length, $\lambda_{\rm{fs}} \lesssim 10\,h^{-1}\ \mathrm{kpc}$), (ii) the velocity-independent DM-proton scattering cross section, $\sigma_{0} < 8.8\times 10^{-29}\ \mathrm{cm}^{2}$ for a $100\ \mathrm{MeV}$ DM particle mass (DM-proton coupling, $c_p \lesssim (0.3\ \mathrm{GeV})^{-2}$), and (iii) the mass of fuzzy DM, $m_{\phi}> 2.9 \times 10^{-21}\ \mathrm{eV}$ (de Broglie wavelength, $\lambda_{\rm{dB}} \lesssim 0.5\ \mathrm{kpc}$). These constraints are complementary to other observational and laboratory constraints on DM properties.},
doi = {10.1103/physrevlett.126.091101},
journal = {Physical Review Letters},
number = 9,
volume = 126,
place = {United States},
year = {Mon Mar 01 00:00:00 EST 2021},
month = {Mon Mar 01 00:00:00 EST 2021}
}
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Works referencing / citing this record:
To observe, or not to observe, quantum-coherent dark matter in the Milky Way, that is a question
text, January 2021
- Rindler-Daller, Tanja
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