用 XMM 望远镜探测超轻原始黑洞暗物质

IF 2.5 3区物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS

Nuclear Physics B Pub Date : 2024-06-14 DOI:10.1016/j.nuclphysb.2024.116601

Jun Guo , Qiang Yuan , Bin Zhu

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引用次数: 0

摘要

原始黑洞（PBHs）起源于早期宇宙中大超密度的引力坍缩，在广泛的质量范围内是一种引人注目的暗物质（DM）候选物质。质量在1014克到1017克之间的超轻黑洞尤其引人关注，人们通常通过搜索它们的蒸发产物来探测它们。利用 XMM 望远镜测量到的软 X 射线信号，我们推导出了质量在 1015-1016 g 范围内的 PBHs 暗物质分数的约束条件。我们发现，观测结果排除了质量 MPBH=1015 g 的分数 f>10-6 （95% C.L.）。

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Probing ultralight primordial black hole dark matter with XMM telescopes

Primordial black holes (PBHs), originating from the gravitational collapse of large overdensities in the early Universe, emerge as a compelling dark matter (DM) candidate across a broad mass range. Of particular interest are ultra-light PBHs with masses around 10¹⁴ to 10¹⁷ g, which are typically probed by searching their evaporation products. Using the soft X-ray signal measured by the XMM telescopes, we derive constraints on the fraction of PBHs dark matter with masses in the range 10¹⁵-10¹⁶ g. We find that observations exclude fraction $f > 10^{- 6}$ at 95% C.L. for mass $M_{PBH} = 10^{15}$ g.

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来源期刊

Nuclear Physics B 物理-物理：粒子与场物理

CiteScore

5.50

自引率

7.10%

发文量

302

审稿时长

1 months

期刊介绍： Nuclear Physics B focuses on the domain of high energy physics, quantum field theory, statistical systems, and mathematical physics, and includes four main sections: high energy physics - phenomenology, high energy physics - theory, high energy physics - experiment, and quantum field theory, statistical systems, and mathematical physics. The emphasis is on original research papers (Frontiers Articles or Full Length Articles), but Review Articles are also welcome.