تقرير
Detection of LIGO-Virgo binary black holes in the pair-instability mass gap
| العنوان: | Detection of LIGO-Virgo binary black holes in the pair-instability mass gap |
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| المؤلفون: | O'Brien, Brendan, Szczepanczyk, Marek, Gayathri, V., Bartos, Imre, Vedovato, Gabriele, Prodi, Giovanni, Mitselmakher, Guenakh, Klimenko, Sergey |
| المصدر: | Phys. Rev. D 104, 082003 (2021) |
| سنة النشر: | 2021 |
| المجموعة: | Astrophysics General Relativity and Quantum Cosmology |
| مصطلحات موضوعية: | General Relativity and Quantum Cosmology, Astrophysics - High Energy Astrophysical Phenomena |
| الوصف: | By probing the population of binary black hole (BBH) mergers detected by LIGO-Virgo, we can infer properties about the underlying black hole formation channels. A mechanism known as pair-instability (PI) supernova is expected to prevent the formation of black holes from stellar collapse with mass greater than $\sim 40-65\,M_\odot$ and less than $\sim 120\,M_\odot$. Any BBH merger detected by LIGO-Virgo with a component black hole in this gap, known as the PI mass gap, likely originated from an alternative formation channel. Here, we firmly establish GW190521 as an outlier to the stellar-mass BBH population if the PI mass gap begins at or below $65\, M_{\odot}$. In addition, for a PI lower boundary of $40-50\, M_{\odot}$, we find it unlikely that the remaining distribution of detected BBH events, excluding GW190521, is consistent with the stellar-mass population. Comment: 10 pages, 6 figures, 2 tables |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1103/PhysRevD.104.082003 |
| URL الوصول: | http://arxiv.org/abs/2106.00605 |
| رقم الأكسشن: | edsarx.2106.00605 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1103/PhysRevD.104.082003 |
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