FERMI LIMIT ON THE NEUTRINO FLUX FROM GAMMA-RAY BURSTS

被引：6

作者：

Li, Zhuo ^{[1
,2
,3
]}

机构：

[1] Peking Univ, Dept Astron, Beijing 100871, Peoples R China

[2] Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China

[3] Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kunming, Peoples R China

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2013年 / 770卷 / 02期

关键词：

acceleration of particles; elementary particles; gamma-ray burst: general; ENERGY COSMIC-RAYS; LORENTZ FACTOR; GEV EMISSION; GRB; 080916C; AFTERGLOW; ICECUBE; CONSTRAINTS; COMPONENT; FIREBALLS;

D O I：

10.1088/2041-8205/770/2/L40

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

If gamma-ray bursts (GRBs) produce high-energy cosmic rays, neutrinos are expected to be generated in GRBs via photo-pion productions. However, we stress that the same process also generates electromagnetic (EM) emission induced by the secondary electrons and photons, and that the EM emission is expected to be correlated with neutrino flux. Using Fermi/Large Area Telescope results on gamma-ray flux from GRBs, the GRB neutrino emission is limited to be <20 GeV m(-2) per GRB event on average, which is independent of the unknown GRB proton luminosity. This neutrino limit suggests that IceCube, operating at full scale, requires stacking of more than 130 GRBs in order to detect one GRB muon neutrino.

引用

页数：4

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