Constraints on primordial black holes: The importance of accretion

被引：61

作者：

De Luca, V. ^{[1
,2
]}

Franciolini, G. ^{[1
,2
,3
]}

Pani, P. ^{[4
,5
]}

Riotto, A. ^{[1
,2
,5
]}

机构：

[1] Univ Geneva, Dept Phys Theor, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland

[2] Univ Geneva, Ctr Astroparticle Phys CAP, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland

[3] Univ Autonoma Madrid, CSIC, Inst Fis Teor UAM, Madrid 28049, Spain

[4] Sapienza Univ Roma, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy

[5] INFN, Sez Roma, Piazzale Aldo Moro 2, I-00185 Rome, Italy

来源：

PHYSICAL REVIEW D | 2020年 / 102卷 / 04期

基金：

欧盟地平线“2020”; 瑞士国家科学基金会;

关键词：

MACHO PROJECT; LIMITS;

D O I：

10.1103/PhysRevD.102.043505

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the constraints on the fraction of dark matter in the universe in the form of primordial black holes taking into account the crucial role of accretion which may change both their mass and mass function. We show that accretion may drastically weaken the constraints at the present epoch for primordial black holes with masses larger than a few solar masses.

引用

页数：6

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