Constraints on primordial black holes as dark matter candidates from star formation

被引：61

作者：

Capela, Fabio ^{[1
]}

Pshirkov, Maxim ^{[2
,3
,4
]}

Tinyakov, Peter ^{[1
]}

机构：

[1] ULB, Serv Phys Theor, B-1050 Brussels, Belgium

[2] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119992, Russia

[3] Russian Acad Sci, Lebedev Phys Inst, Ctr Astro Space, Pushchino Radio Astron Observ, Pushchino 142290, Russia

[4] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

来源：

PHYSICAL REVIEW D | 2013年 / 87卷 / 02期

关键词：

GLOBULAR-CLUSTER FORMATION; HALOS; CONTRACTION; GALAXIES; ORIGIN; CORES;

D O I：

10.1103/PhysRevD.87.023507

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

By considering adiabatic contraction of the dark matter (DM) during star formation, we estimate the amount of DM trapped in stars at their birth. If the DM consists partly of primordial black holes (PBHs), they will be trapped together with the rest of the DM and will be finally inherited by a star compact remnant-a white dwarf (WD) or a neutron star (NS), which they will destroy in a short time. Observations of WDs and NSs thus impose constraints on the abundance of PBH. We show that the best constraints come from WDs and NSs in globular clusters which exclude the DM consisting entirely of PBH in the mass range 10(16) - 3 x 10(22) g, with the strongest constraint on the fraction Omega(PBH)/Omega(DM) less than or similar to 10(-2) being in the range of PBH masses 10(17)-10(18) g. DOI: 10.1103/PhysRevD.87.023507

引用

页数：8

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