Constraining primordial black hole masses with the isotropic gamma ray background

被引：65

作者：

Arbey, Alexandre ^{[1
]}

Auffinger, Jeremy ^{[1
,2
,3
]}

Silk, Joseph ^{[2
,4
,5
]}

机构：

[1] Univ Claude Bernard Lyon 1, Univ Lyon, CNRS IN2P3, IP2I Lyon,UMR 5822, F-69622 Villeurbanne, France

[2] Sorbonne Univ, UMR 7095, CNRS, Inst Astrophys Paris, 98 Bis,Blvd Arago, F-75014 Paris, France

[3] Ecole Normale Super Lyon, Dept Phys, F-69342 Lyon, France

[4] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[5] Univ Oxford, Beecroft Inst Particle Astrophys & Cosmol, Oxford OX1 3RH, England

来源：

PHYSICAL REVIEW D | 2020年 / 101卷 / 02期

关键词：

PARTICLES; EMISSION;

D O I：

10.1103/PhysRevD.101.023010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Primordial black holes (PBHs) can represent all or most of the dark matter in the window 10(17)-10(22) g . Here we present an extension of the constraints on PBHs of masses 10(13)-10(18) g arising from the isotropic diffuse gamma-ray background. Primordial black holes evaporate by emitting Hawking radiation that should not exceed the observed background. Generalizing from monochromatic distributions of Schwarzs-child black holes to extended mass functions of Kerr rotating black holes, we show that the lower part of this mass window can be closed for near-extremal black holes.

引用

页数：7

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