论文标题
在伽马射线爆发中心重新访问黑洞超碎片，以使质量差质差较低
Revisiting black hole hyperaccretion in the center of gamma-ray bursts for the lower mass gap
论文作者
论文摘要
通常认为，恒星质量黑洞（BH）超胆汁酸化系统中的中微子歼灭过程或Blandford-Znajek（BZ）机制触发的超幼发学喷气机通常被认为可以为伽马射线爆发（GRBS）供电。由于高积聚率，中央BHS可能会在短时间内迅速增长，从而提供了一种新的方法来理解“较低的质量差距”问题。在本文中，我们使用BH HyperCretion模型根据观察性GRB数据研究BH质量增长。结果表明，（i）如果将初始的BH质量设置为$ 3〜M_ \ odot $，则中微子歼灭过程能够为BHS加油以避开较低的质量间隙，以超过一半的长期GRB（LGRB），而BZ机制则无效地触发了BH的增长，以触发BH的增长。 （ii）在没有可观察到的超新星（SN）关联的LGRB的情况下，平均BH质量生长远大于与SNE相关的LGRB的平均值，这两种机制都意味着在前一种情况下，这意味着更大的祖细胞或更低的SN爆炸能量； （iii）对于短期GRB，在紧凑型物体合并的情况下，平均BH质量增长对质量供应限制感到满意，但是超伴随过程无法从二元中性星（NS）合并或最初的BH质量的BAP中挽救BHS，或者最初的BH质量是3〜m_ \ odot $ \ odot $ \ odot $ $ \ odot $ $ \ odot $ after ns-bh Merggers。
The ultrarelativistic jets triggered by neutrino annihilation processes or Blandford-Znajek (BZ) mechanisms in stellar-mass black hole (BH) hyperaccretion systems are generally considered to power gamma-ray bursts (GRBs). Due to the high accretion rate, the central BHs might grow rapidly on a short timescale, providing a new way to understand "the lower mass gap" problem. In this paper, we use the BH hyperaccretion model to investigate BH mass growth based on observational GRB data. The results show that (i) if the initial BH mass is set as $3~M_\odot$, the neutrino annihilation processes are capable of fueling the BHs to escape the lower mass gap for more than half of long-duration GRBs (LGRBs), while the BZ mechanism is inefficient on triggering BH growths for LGRBs; (ii) the mean BH mass growths in the case of LGRBs without observable supernova (SN) association are much larger than these in the case of LGRBs associated with SNe for both mechanisms, which imply that more massive progenitors or lower SN explosion energies prevail throughout the former cases; (iii) for the short-duration GRBs, the mean BH mass growths are satisfied with the mass supply limitation in the scenario of compact object mergers, but the hyperaccretion processes are unable to rescue BHs from the gap in binary neutron star (NS) mergers or the initial BH mass being $3~M_\odot$ after NS-BH mergers.
