论文标题
重新访问AGN作为IceCube弥漫性中微子通量的来源
Revisiting AGN as the Source of IceCube's Diffuse Neutrino Flux
论文作者
论文摘要
Icecube合作报告的天体中微子通量的起源仍然是一个悬而未决的问题。在这项研究中，我们使用三年的公开可用的ICECUBE数据来搜索来自Blazars中微子排放的证据，而非Blazar主动银河核（AGN）包含FERMI 4LAC目录。我们没有发现这些来源产生高能中微子的证据，并得出结论，即Blazars可以产生不超过Icecube观察到的通量的15％。我们对非Blazar AGN的贡献的约束，这些贡献的发光效果较低，而不是Blazars的限制性较小，而且这种类别的来源仍然有可能产生IceCube观察到的整个弥漫性中微子通量。我们预计将有可能确定测试IceCube积累并释放更多数据的情况，并且随着AGN的伽马射线目录变得越来越完整。我们还对Starburst和其他星形星系发表评论，并得出结论，这些来源可能对IceCube观察到的信号有很大贡献，尤其是在最低检测到的能量下。
The origin of the astrophysical neutrino flux reported by the IceCube Collaboration remains an open question. In this study, we use three years of publicly available IceCube data to search for evidence of neutrino emission from the blazars and non-blazar Active Galactic Nuclei (AGN) contained the Fermi 4LAC catalog. We find no evidence that these sources produce high-energy neutrinos, and conclude that blazars can produce no more than 15% of IceCube's observed flux. The constraint we derive on the contribution from non-blazar AGN, which are less luminous and more numerous than blazars, is significantly less restrictive, and it remains possible that this class of sources could produce the entirety of the diffuse neutrino flux observed by IceCube. We anticipate that it will become possible to definitively test such scenarios as IceCube accumulates and releases more data, and as gamma-ray catalogs of AGN become increasingly complete. We also comment on starburst and other starforming galaxies, and conclude that these sources could contribute substantially to the signal observed by IceCube, in particular at the lowest detected energies.
