Subphotospheric Neutrinos from Gamma-Ray Bursts: The Role of Neutrons

被引：51
|
作者：
Murase, Kohta [1 ,2 ,3 ]
Kashiyama, Kazumi [4 ,5 ,6 ]
Meszaros, Peter [4 ,5 ,6 ]
机构：
[1] Inst Adv Study, Princeton, NJ 08540 USA
[2] Ohio State Univ, Ctr Cosmol & AstroParticle Phys, Columbus, OH 43210 USA
[3] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[4] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA
[5] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[6] Penn State Univ, Ctr Particle & Gravitat Astrophys, University Pk, PA 16802 USA
来源：
PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 13期
关键词：
HIGH-ENERGY NEUTRINOS; DISSIPATIVE PHOTOSPHERES; PROMPT EMISSION; ACCELERATION; GRB; COMPONENT; MODELS; DYNAMICS; SPECTRA; CATALOG;
D O I：
10.1103/PhysRevLett.111.131102
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Relativistic outflows with neutrons inevitably lead to inelastic collisions, and resulting subphotospheric gamma rays may explain prompt emission of gamma-ray bursts. In this model, hadronuclear, quasithermal neutrinos in the 10-100 GeV range should be generated, and they may even have a high-energy tail by neutron-proton-converter or shock acceleration mechanisms. We demonstrate the importance of dedicated searches with DeepCore + IceCube, though such analyses have not been performed. Successful detections enable us to discriminate among prompt emission mechanisms, probe the jet composition, and see roles of relativistic neutrons as well as effects of cosmic-ray acceleration.
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收藏
页数：5
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