High-energy Neutrinos from Outflows Powered by Kicked Remnants of Binary Black Hole Mergers in AGN Accretion Disks
arxiv(2024)
摘要
Merging of stellar-mass binary black holes (BBH) could take place within the
accretion disk of active galactic nuclei (AGN). The resulting BH remnant is
likely to accrete the disk gas at a super-Eddington rate, launching a fast,
quasi-spherical outflow (wind). Particles will be accelerated by shocks driven
by the wind, subsequently interacting with the shocked disk gas or radiation
field through hadronic processes and resulting in the production of high-energy
neutrinos and potential electromagnetic (EM) emissions. This study delves into
the intricate evolution of the shock driven by the remnant BH wind within AGN
disks. Subsequently, we calculated the production of neutrinos and the expected
detection numbers for a single event, along with their contributions to the
overall diffuse neutrino background. Our analysis, considering various
scenarios, reveals considerable neutrino production and possible detection by
IceCube for nearby events. The contribution of the remnant BH winds on the
diffuse neutrino background is minor due to the low event rate density, but it
can be improved to some extent for some optimistic parameters. We also propose
that there could be two neutrino/EM bursts, one originating from the premerger
BBH wind and the other from the remnant BH wind, with the latter typically
having a time gap to the GW event of around tens of days. When combined with
the anticipated gravitational waves (GW) emitted during the BBH merger, such a
system emerges as a promising candidate for joint observations involving
neutrinos, GWs, and EM signals.
更多查看译文
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要