论文标题
GW190814中的2.6 $ m_ \ odot $对象可以是原始黑洞吗？
Could the 2.6 $M_\odot$ object in GW190814 be a primordial black hole?
论文作者
论文摘要
2020年6月20日，Ligo-Virgo合作宣布了GW190814的发现，这是一个引力波事件，起源于二进制系统合并，质量为$ m_1 = 23.2^{+1.1} _ {+1.1} _ {-1.0} m_ \ odot $ and of $ m___2 = 2.59^59^59 {-0.09} m_ \ odot $。第二个物体将是迄今为止观察到的最重的中子恒星或最轻的黑洞。在这里，我们研究了$ \ sim 26m_ \ odot $对象是原始黑洞（PBH）的可能性。我们发现，对GW190814的原始黑洞解释不太可能受到主要恒星祖细胞的形成速率的限制，并且观察到的合并速率为$ \ Mathcal {o}（O}（20）M_ \ odot $ $ odot $ smostal $。
On June 20, 2020, the LIGO-Virgo collaboration announced the discovery of GW190814, a gravitational wave event originating from a binary system merger between a black hole of mass $M_1 = 23.2^{+1.1} _ {-1.0}M_\odot$ and an unidentified object with a mass of $M_2 = 2.59^{+0.08} _ {-0.09}M_\odot$. This second object would be either the heaviest neutron star or lightest black hole observed to date. Here we investigate the possibility of the $\sim 2.6M_\odot$ object being a primordial black hole (PBH). We find that a primordial black hole explanation to GW190814 is unlikely as it is limited by the formation rate of the primary stellar progenitor and the observed merger rates of $\mathcal{O}(20)M_\odot$ massive black hole pairs.
