Neutrinos in IceCube from active galactic nuclei

被引：0
作者：
O. Kalashev
D. Semikoz
I. Tkachev
机构：
[1] Russian Academy of Sciences,Institute for Nuclear Research
[2] Laboratory of AstroParticle and Cosmology (APC),undefined
来源：
Journal of Experimental and Theoretical Physics | 2015年 / 120卷
关键词：
Black Hole; Optical Depth; Accretion Disc; Active Galactic Nucleus; Neutrino Flux;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Recently, the IceCube collaboration reported first evidence for the astrophysical neutrinos. Observation corresponds to the total astrophysical neutrino flux of the order of 3 × 10−8 GeV cm−2 s−1 sr−1 in a PeV energy range [1]. Active galactic nuclei (AGN) are natural candidate sources for such neutrinos. To model the neutrino creation in AGNs, we study photopion production processes on the radiation field of the Shakura-Sunyaev accretion discs in the black hole vicinity. We show that this model can explain the detected neutrino flux and at the same time avoids the existing constraints from the gamma-ray and cosmic-ray observations.
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收藏
页码：541 / 548
页数：7
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