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Title: Melanopogenesis: dark matter of (almost) any mass and baryonic matter from the evaporation of primordial black holes weighing a ton (or less)

Journal Article · · Journal of Cosmology and Astroparticle Physics
 [1];  [1];  [1]
  1. Univ. of California, Santa Cruz, CA (United States)

The evaporation of primordial black holes with a mass in the 1 gram≲ MPBH≲1000 kg range can lead to the production of dark matter particles of almost any mass in the range 0.1 MeV≲ mDM≲ 1018 GeV with the right relic density at very early times, τ≲ 10-10 s. We calculate, as a function of the primordial black holes mass and initial abundance, the combination of dark matter particle masses and number of effective dark degrees of freedom leading to the right abundance of dark matter today, whether or not evaporation stops around the Planck scale. In addition, since black hole evaporation can also lead to the production of a baryon asymmetry, we calculate where dark matter production and baryogenesis can concurrently happen, under a variety of assumptions: baryogenesis via grand unification boson decay, via leptogenesis, or via asymmetric co-genesis of dark matter and ordinary matter. Finally, we comment on possible ways to test this scenario.

Research Organization:
Univ. of California, Santa Cruz, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0010107
OSTI ID:
1611352
Journal Information:
Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 05; ISSN 1475-7516
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 67 works
Citation information provided by
Web of Science

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Cited By (5)

Primordial black hole remnants as dark matter produced in thermal, matter, and runaway-quintessence postinflationary scenarios journal October 2019
Strongly-interacting ultralight millicharged particles journal November 2021
Self-interacting dark matter from primordial black holes journal March 2021
Dark matter in the time of primordial black holes journal March 2021
Dark matter and leptogenesis from gravitational production journal June 2021

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