Contributions to cosmic reionization from dark matter annihilation and decay

Liu, Hongwan; Slatyer, Tracy R.; Zavala, Jesús

doi:10.1103/physrevd.94.063507

Title: Contributions to cosmic reionization from dark matter annihilation and decay

Journal Article · Thu Sep 08 00:00:00 EDT 2016 · Physical Review. D.

DOI:https://doi.org/10.1103/physrevd.94.063507· OSTI ID:1505799

Liu, Hongwan ^[1];

^[1]; Zavala, Jesús ^[2]

Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Univ. of Copenhagen (Denmark). The Niels Bohr Inst.

Dark matter annihilation or decay could have a significant impact on the ionization and thermal history of the universe. In this paper, we study the potential contribution of dark matter annihilation (s-wave- or p-wave-dominated) or decay to cosmic reionization, via the production of electrons, positrons and photons. We map out the possible perturbations to the ionization and thermal histories of the universe due to dark matter processes, over a broad range of velocity-averaged annihilation cross sections/decay lifetimes and dark matter masses. We have employed recent numerical studies of the efficiency with which annihilation/decay products induce heating and ionization in the intergalactic medium, and in this work extended them down to a redshift of 1 + z = 4 for two different reionization scenarios.We also improve on earlier studies by using the results of detailed structure formation models of dark matter haloes and subhaloes that are consistent with up-to-date N-body simulations, with estimates on the uncertainties that originate from the smallest scales.We find that for dark matter models that are consistent with experimental constraints, a contribution of more than 10% to the ionization fraction at reionization is disallowed for all annihilation scenarios. Such a contribution is possible only for decays into electron/positron pairs, for light dark matter with mass m_χ ≲ 100 MeV, and a decay lifetime τ_χ ~ 10²⁴–10²⁵ s.

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Research Organization:: Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: SC0013999; SC00012567; PIIF-GA-2013-62772

OSTI ID:: 1505799

Alternate ID(s):: OSTI ID: 1322444

Report Number(s):: MIT-CTP/4797; PRVDAQ

Journal Information:: Physical Review. D., Vol. 94, Issue 6; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 65 works

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Exploring cosmic origins with CORE: Cosmological parameters Valentino, E. Di; Brinckmann, T.; Gerbino, M. Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 04 https://doi.org/10.1088/1475-7516/2018/04/017	journal	April 2018
The epoch of cosmic heating by early sources of X-rays Eide, Marius B.; Graziani, Luca; Ciardi, Benedetta Monthly Notices of the Royal Astronomical Society, Vol. 476, Issue 1 https://doi.org/10.1093/mnras/sty272	journal	February 2018
Dark matter model favoured by reionization data: 7 keV sterile neutrino versus cold dark matter Rudakovskyi, A.; Iakubovskyi, D. Monthly Notices of the Royal Astronomical Society, Vol. 483, Issue 3 https://doi.org/10.1093/mnras/sty3057	journal	November 2018
Towards a UV model of kinetic mixing and portal matter Rueter, Thomas D.; Rizzo, Thomas G. Physical Review D, Vol. 101, Issue 1 https://doi.org/10.1103/physrevd.101.015014	journal	January 2020
Clusters of Primordial Black Holes Belotsky, Konstantin M.; Dokuchaev, Vyacheslav I.; Eroshenko, Yury N. The European Physical Journal C, Vol. 79, Issue 3 https://doi.org/10.1140/epjc/s10052-019-6741-4	journal	March 2019
Light Dark Matter at Neutrino Experiments Ema, Yohei; Sala, Filippo; Sato, Ryosuke Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2019-02282	text	January 2019
Homeopathic Dark Matter, or how diluted heavy substances produce high energy cosmic rays Cirelli, Marco; Gouttenoire, Yann; Petraki, Kalliopi Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2019-03958	text	January 2019
Green Peas in X-Rays Svoboda, J.; Douna, V.; Orlitová, I. The Astrophysical Journal, Vol. 880, Issue 2 https://doi.org/10.3847/1538-4357/ab2b39	journal	August 2019
Homeopathic Dark Matter, or how diluted heavy substances produce high energy cosmic rays Cirelli, Marco; Gouttenoire, Yann; Petraki, Kalliopi Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 02 https://doi.org/10.1088/1475-7516/2019/02/014	journal	February 2019
Light Dark Matter at Neutrino Experiments Ema, Yohei; Sala, Filippo; Sato, Ryosuke Physical Review Letters, Vol. 122, Issue 18 https://doi.org/10.1103/PhysRevLett.122.181802	journal	May 2019
Velocity Dependence from Resonant Self-Interacting Dark Matter Chu, Xiaoyong; Garcia-Cely, Camilo; Murayama, Hitoshi Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2018-03983	text	January 2018
Strong constraints on self-interacting dark matter with light mediators Bringmann, Torsten; Kahlhoefer, Felix; Schmidt-Hoberg, Kai Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2017-00823	text	January 2016
Velocity Dependence from Resonant Self-Interacting Dark Matter Chu, Xiaoyong; Garcia-Cely, Camilo; Murayama, Hitoshi Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2019-01981	text	January 2019
Late decaying 2-component dark matter scenario as an explanation of the AMS-02 positron excess Buch, Jatan; Ralegankar, Pranjal; Rentala, Vikram arXiv https://doi.org/10.48550/arxiv.1609.04821	text	January 2016
Exploring Cosmic Origins with CORE: Cosmological Parameters Di Valentino, Eleonora; Brinckmann, Thejs; Gerbino, Martina arXiv https://doi.org/10.48550/arxiv.1612.00021	text	January 2016
Strong constraints on self-interacting dark matter with light mediators Bringmann, Torsten; Kahlhoefer, Felix; Schmidt-Hoberg, Kai arXiv https://doi.org/10.48550/arxiv.1612.00845	text	January 2016
Dark Matter Annihilation into Four-Body Final States and Implications for the AMS Antiproton Excess Clark, Steven J.; Dutta, Bhaskar; Strigari, Louis E. arXiv https://doi.org/10.48550/arxiv.1709.07410	text	January 2017
Dark matter-neutrino interactions through the lens of their cosmological implications Campo, Andres Olivares-Del; Boehm, Celine; Palomares-Ruiz, Sergio arXiv https://doi.org/10.48550/arxiv.1711.05283	text	January 2017
Bounds on Dark Matter annihilations from 21 cm data D'Amico, Guido; Panci, Paolo; Strumia, Alessandro arXiv https://doi.org/10.48550/arxiv.1803.03629	text	January 2018
Clusters of primordial black holes Belotsky, Konstantin M.; Dokuchaev, Vyacheslav I.; Eroshenko, Yury N. arXiv https://doi.org/10.48550/arxiv.1807.06590	text	January 2018
Green Peas in X-rays Svoboda, Jiří; Douna, Vanesa; Orlitová, Ivana arXiv https://doi.org/10.48550/arxiv.1810.09318	text	January 2018
Light Dark Matter at Neutrino Experiments Ema, Yohei; Sala, Filippo; Sato, Ryosuke arXiv https://doi.org/10.48550/arxiv.1811.00520	text	January 2018
Dark matter model favoured by reionization data: 7 keV sterile neutrino vs cold dark matter Rudakovskyi, Anton; Iakubovskyi, Dmytro arXiv https://doi.org/10.48550/arxiv.1811.02799	text	January 2018
Estimating the dark matter velocity anisotropy to the cluster edge Svensmark, Jacob; Hansen, Steen H.; Martizzi, Davide arXiv https://doi.org/10.48550/arxiv.1904.04260	text	January 2019

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