Galactic cosmic rays from PBHs and primordial spectra with a scale

被引：30

作者：

Barrau, A ^{[1
]}

Blais, D

Boudoul, G

Polarski, D

机构：

[1] Univ Grenoble 1, UMR 5821 CNRS, IN2P3, Inst Sci Nucl Grenoble, Grenoble 1, France

[2] Univ Montpellier 2, UMR 8525 CNRS, Lab Phys Math & Theor, F-34095 Montpellier, France

来源：

PHYSICS LETTERS B | 2003年 / 551卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(02)03060-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the observational constraints from the detection of antiprotons in the Galaxy on the amount of Primordial Black Holes (PBH) produced from primordial power spectra with a bumpy mass variance. Though essentially equivalent at the present time to the constraints from the diffuse gamma-ray background, they allow a widely independent approach and they should improve sensibly in the nearby future. We discuss the resulting constraints on inflationary parameters using a Broken Scale Invariance (BSI) model as a concrete example. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：218 / 225

页数：8

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