Dark Matter-Induced Low-Mass Gap Black Hole Echoing LVK Observations
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866913827543580672 |
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| author | Ge, Shuailiang Liu, Yuxin Shu, Jing Zhao, Yue |
| author_facet | Ge, Shuailiang Liu, Yuxin Shu, Jing Zhao, Yue |
| contents | The recent detection of gravitational waves from a binary merger involving a potential low-mass gap black hole (LMBH) by LIGO-Virgo-KAGRA (LVK) Collaboration motivates investigations into mechanisms beyond conventional stellar evolution theories to account for their existence. We study a mechanism in which dark matter (DM), through its capture and accumulation inside main sequence stars, induces the formation of black holes within the mass range of $[3, 5]M_\odot$. We examine the distribution of these LMBHs as a function of galaxy halo mass, particularly when paired with neutron stars. This gives a distinct signature that can be tested with future gravitational wave observations. We find that a viable portion of the DM parameter space predicts a merger rate of such binaries consistent with LVK observations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_04827 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Dark Matter-Induced Low-Mass Gap Black Hole Echoing LVK Observations Ge, Shuailiang Liu, Yuxin Shu, Jing Zhao, Yue High Energy Physics - Phenomenology High Energy Astrophysical Phenomena The recent detection of gravitational waves from a binary merger involving a potential low-mass gap black hole (LMBH) by LIGO-Virgo-KAGRA (LVK) Collaboration motivates investigations into mechanisms beyond conventional stellar evolution theories to account for their existence. We study a mechanism in which dark matter (DM), through its capture and accumulation inside main sequence stars, induces the formation of black holes within the mass range of $[3, 5]M_\odot$. We examine the distribution of these LMBHs as a function of galaxy halo mass, particularly when paired with neutron stars. This gives a distinct signature that can be tested with future gravitational wave observations. We find that a viable portion of the DM parameter space predicts a merger rate of such binaries consistent with LVK observations. |
| title | Dark Matter-Induced Low-Mass Gap Black Hole Echoing LVK Observations |
| topic | High Energy Physics - Phenomenology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2404.04827 |