Asano, Katsuaki 2009 Sensitivity of JEM-EUSO to GRB Neutrinos

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JEM-EUSO 是一个探测中微子Cherenkov辐射的任务. 能段在10^16-18eV.

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Title:		Sensitivity of JEM-EUSO to GRB Neutrinos
Authors:		Asano, Katsuaki; Shinozaki, Kenji; Teshima, Masahiro
Publication:		eprint arXiv:0908.0392
Publication Date:		08/2009
Origin:		ARXIV
Keywords:		Astrophysics - High Energy Astrophysical Phenomena
Comment:		Proc 31st ICRC, Lodz, Poland, 2009
Bibliographic Code:		2009arXiv0908.0392A

Abstract

JEM-EUSO is a mission to study ultra-high-energy cosmic rays (UHECRs) by measuring the fluorescence light from giant air showers at the altitude of the International Space Station. In the tilted mode, JEM-EUSO will become very sensitive to the \v{C}erenkov light from the earth skimming tau neutrinos at the energy range of $10^{16-18}$eV. In this paper we will discuss high-energy tau neutrinos from nearby gamma-ray bursts (GRBs). From simulations of cascade in GRB photon fields including various hadronic/leptonic processes, we estimate the neutrino flux from GRBs. Our results show that both muons and pions are dominant sources of neutrinos at the energy range of $10^{16-18}$ eV. We discuss the possibility of detecting the \v{C}erenkov light of upward going showers from Earth skimming tau neutrinos coming from some closest GRBs.

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