Beyond the Standard Model Explanations of GW190521
The LIGO-Virgo Collaboration has recently announced the detection of a heavy binary black hole merger, with component masses that are difficult to account for in standard stellar structure theory. In this Letter, we propose several explanations based on models of new physics, including new light par...
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| Veröffentlicht in: | Physical review letters 2020-12, Vol.125 (26), p.261105-261105, Article 261105 |
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| container_end_page | 261105 |
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| container_issue | 26 |
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| container_title | Physical review letters |
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| creator | Sakstein, Jeremy Croon, Djuna McDermott, Samuel D Straight, Maria C Baxter, Eric J |
| description | The LIGO-Virgo Collaboration has recently announced the detection of a heavy binary black hole merger, with component masses that are difficult to account for in standard stellar structure theory. In this Letter, we propose several explanations based on models of new physics, including new light particle losses, modified gravity, large extra dimensions, and a small magnetic moment of the neutrino. Each of these affect the physics of the pair instability differently, leading to novel mechanisms for forming black holes inside the mass gap. |
| doi_str_mv | 10.1103/PhysRevLett.125.261105 |
| format | Article |
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| ispartof | Physical review letters, 2020-12, Vol.125 (26), p.261105-261105, Article 261105 |
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| source | American Physical Society Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Alternative gravity theories ASTRONOMY AND ASTROPHYSICS Binary stars Braneworlds Dark energy Dark matter General relativity Gravitational waves Magnetic moments Neutrinos Particle dark matter PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Stellar structure |
| title | Beyond the Standard Model Explanations of GW190521 |
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