Cosmic rays from primordial black holes and constraints on the early universe

被引：61

作者：

Carr, BJ

MacGibbon, JH

机构：

[1] Queen Mary Univ London, Sch Math Sci, London E1 4NS, England

[2] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA

来源：

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS | 1998年 / 307卷 / 1-4期

关键词：

cosmic rays; primordial black holes; early Universe;

D O I：

10.1016/S0370-1573(98)00039-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The constraints on the number of evaporating primordial black holes imposed by observations of the cosmological gamma-ray background do not exclude their making a significant contribution to the Galactic flux of cosmic ray photons, electrons, positrons and antiprotons. Even if this contribution is small, cosmic ray data place important limits on the number of evaporating black holes and thereby on models of the early Universe. Evaporating black holes are unlikely to be detectable in their final explosive phase unless new physics is invoked at the QCD phase transition. (C) 1998 Published by Elsevier Science B.V. All rights reserved.

引用

页码：141 / 154

页数：14

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