5-10 GeV neutrinos from gamma-ray burst fireballs

被引：139

作者：

Bahcall, JN

Mészáros, P

机构：

[1] Inst Adv Study, Sch Nat Sci, Princeton, NJ 08540 USA

[2] Penn State Univ, University Pk, PA 16802 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 07期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.85.1362

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A gamma-ray burst fireball is likely to contain an admixture of neutrons. Inelastic collisions between differentially streaming protons and neutrons in the fireball produce nu(mu) (<(nu)over bar>(mu)) of similar to 10 GeV as well as nu(e) (<(nu)over bar>(e)) of similar to 5 GeV, which could produce similar to 7 events/year in km(3) detectors, if the neutron abundance is comparable to that of protons. Photons of similar to 10 GeV from pi(0) decay and similar to 100 MeV <(nu)over bar>(e) from neutron decay are also produced, but will be difficult to detect. Photons with energies less than or similar to 1 MeV from shocks following neutron decay produce a characteristic signal which may be distinguishable from the proton-related MeV photons.

引用

页码：1362 / 1365

页数：4

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