Murase 2009 附近超高能宇宙射线光子

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Title:		Ultra-High-Energy Photons as a Probe of Nearby Transient Ultra-High-Energy Cosmic-Ray Sources and Quantum Gravity
Authors:		Murase, Kohta
Publication:		eprint arXiv:0904.2087
Publication Date:		04/2009
Origin:		ARXIV
Keywords:		Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Extragalactic Astrophysics
Comment:		5 pages, 3 figures
Bibliographic Code:		2009arXiv0904.2087M

Abstract

Detecting neutrinos and photons is crucial to identify the sources of ultra-high-energy cosmic rays (UHECRs), especially for transient sources. We focus on ultra-high-energy gamma-ray emission from transient sources such as gamma-ray bursts, since > EeV gamma rays are more direct evidence of UHECRs than PeV neutrinos and GeV-TeV gamma rays. We demonstrate that coincident detections of around 1-100 events can be expected by current and future UHECR detectors such as Auger and JEM-EUSO, and the detection probability is higher than that of neutrinos for nearby transient sources at <> Bibtex entry for this abstract Preferred format for this abstract (see Preferences)