中子星因吸积而坍缩：大质量暗物质粒子的探测器

IF 5 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Physics of the Dark Universe Pub Date : 2024-11-22 DOI:10.1016/j.dark.2024.101740

Ning Liu, Arvind Kumar Mishra

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引用次数: 0

摘要

我们通过与动量相关的暗物质-核子散射截面，探索了中子星内部大质量暗物质（DM）粒子的多散射俘获。我们发现，与恒定截面的情况相比，正速度和动量传递依赖的DM-核散射的俘获增强了。此外，大量的DM粒子俘获会被热化并导致黑洞的形成，从而摧毁中子星。利用对DM主导区老中子星的观测，我们获得了对大质量DM参数的有力约束。

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Neutron star collapse from accretion: A probe of massive dark matter particles

We explore the multi-scatter capturing of the massive dark matter (DM) particle inside the neutron star via a momentum-dependent dark matter-nucleon scattering cross-section. We find that the capturing enhanced for the positive velocity and momentum transfer dependent DM-nucleon scattering in comparison with the constant cross-section case. Further, a large capture of the DM particles can be thermalized and lead to black hole formation and, therefore, destroy the neutron star. Using the observation of the old neutron star in the DM-dominated region, we obtain strong constraints on massive DM parameters.

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来源期刊

Physics of the Dark Universe ASTRONOMY & ASTROPHYSICS-

CiteScore

9.60

自引率

7.30%

发文量

118

审稿时长

61 days

期刊介绍： Physics of the Dark Universe is an innovative online-only journal that offers rapid publication of peer-reviewed, original research articles considered of high scientific impact. The journal is focused on the understanding of Dark Matter, Dark Energy, Early Universe, gravitational waves and neutrinos, covering all theoretical, experimental and phenomenological aspects.