Gravitational dark matter production: Primordial black holes and UV freeze-in

Dark matter (DM) interacting only gravitationally with the standard model could have been produced in the early universe by Hawking evaporation of primordial black holes (PBH). This mechanism is viable in a large range of DM mass, spanning up to the Planck scale. However, DM is also unavoidably prod...

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Main Authors: Nicolás Bernal, Óscar Zapata
Format: Article
Language:English
Published: Elsevier 2021-04-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269321000691
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author Nicolás Bernal
Óscar Zapata
author_facet Nicolás Bernal
Óscar Zapata
author_sort Nicolás Bernal
collection DOAJ
description Dark matter (DM) interacting only gravitationally with the standard model could have been produced in the early universe by Hawking evaporation of primordial black holes (PBH). This mechanism is viable in a large range of DM mass, spanning up to the Planck scale. However, DM is also unavoidably produced by the irreducible UV gravitational freeze-in. We show that the latter mechanism sets strong bounds, excluding large regions of the parameter space favored by PBH production.
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spelling doaj.art-978c60ab7eb94274a122ef7424dbdc162022-12-21T22:10:02ZengElsevierPhysics Letters B0370-26932021-04-01815136129Gravitational dark matter production: Primordial black holes and UV freeze-inNicolás Bernal0Óscar Zapata1Centro de Investigaciones, Universidad Antonio Nariño, Carrera 3 Este # 47A-15, Bogotá, Colombia; Corresponding author.Instituto de Física, Universidad de Antioquia, Calle 70 # 52-21, Apartado Aéreo 1226, Medellín, Colombia; Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, 34151, Trieste, ItalyDark matter (DM) interacting only gravitationally with the standard model could have been produced in the early universe by Hawking evaporation of primordial black holes (PBH). This mechanism is viable in a large range of DM mass, spanning up to the Planck scale. However, DM is also unavoidably produced by the irreducible UV gravitational freeze-in. We show that the latter mechanism sets strong bounds, excluding large regions of the parameter space favored by PBH production.http://www.sciencedirect.com/science/article/pii/S0370269321000691
spellingShingle Nicolás Bernal
Óscar Zapata
Gravitational dark matter production: Primordial black holes and UV freeze-in
Physics Letters B
title Gravitational dark matter production: Primordial black holes and UV freeze-in
title_full Gravitational dark matter production: Primordial black holes and UV freeze-in
title_fullStr Gravitational dark matter production: Primordial black holes and UV freeze-in
title_full_unstemmed Gravitational dark matter production: Primordial black holes and UV freeze-in
title_short Gravitational dark matter production: Primordial black holes and UV freeze-in
title_sort gravitational dark matter production primordial black holes and uv freeze in
url http://www.sciencedirect.com/science/article/pii/S0370269321000691
work_keys_str_mv AT nicolasbernal gravitationaldarkmatterproductionprimordialblackholesanduvfreezein
AT oscarzapata gravitationaldarkmatterproductionprimordialblackholesanduvfreezein