Note on the normalization of predicted gamma-ray burst neutrino flux
Li, Zhuo1,2; Li, Z (reprint author), Peking Univ, Dept Astron, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China.
发表期刊PHYSICAL REVIEW D
2012-01-06
卷号85期号:2
DOI10.1103/PhysRevD.85.027301
收录类别SCI
摘要We note that the theoretical prediction of neutrinos from gamma-ray bursts (GRBs) by IceCube overestimates the GRB neutrino flux, because they ignore both the energy dependence of the fraction of proton energy transferred to charged pions and the radiative energy loss of secondary pions and muons when calculating the normalization of the neutrino flux. After correction, GRB neutrino flux is reduced by a factor similar to 5 for typical GRB spectral parameters and may be consistent with the present zero event detected by IceCube. More observations are important to push the sensitivity below the prediction and test whether GRBs are the sources of ultrahigh energy cosmic rays.
项目资助者Foundation for the Authors of National Excellent Doctoral Dissertations of China ; Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics ; Physics
文章类型Article
ISSN1550-7998
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WOS记录号WOS:000298990200007
WOS研究方向Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
关键词[WOS]HIGH-ENERGY NEUTRINOS
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被引频次:47[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9425
专题中国科学院天体结构与演化重点实验室
通讯作者Li, Z (reprint author), Peking Univ, Dept Astron, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China.
作者单位1.Department of Astronomy/Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
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Li, Zhuo,Li, Z . Note on the normalization of predicted gamma-ray burst neutrino flux[J]. PHYSICAL REVIEW D,2012,85(2).
APA Li, Zhuo,&Li, Z .(2012).Note on the normalization of predicted gamma-ray burst neutrino flux.PHYSICAL REVIEW D,85(2).
MLA Li, Zhuo,et al."Note on the normalization of predicted gamma-ray burst neutrino flux".PHYSICAL REVIEW D 85.2(2012).
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