Multi-gev neutrinos due to nn oscillation in gamma-ray burst fireballs

被引:0
|
作者
Sahu, Sarira [1 ]
机构
[1] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
关键词
neutrino; GRB; neutron oscillation;
D O I
10.1142/S021773230702378X
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The long and short gamma-ray bursts are believed to be produced due to collapse of massive stars and merger of compact binaries respectively. All these objects are rich in neutron and the jet outflow from these objects must have a neutron component in it. By postulating the nn oscillation in the gamma-ray burst fireball, we show that, 19 38 GeV neutrinos and anti-neutrinos can be produced due to annihilation of anti-neutrons with the background neutrons. These neutrinos and anti-neutrinos will be produced before the 5-10 GeV neutrinos due to dynamical decoupling of neutrons from the rest of the fireball. Observation of these neutrinos will shed more light on the nature of the GRB progenitors and also be a unique signature of physics beyond the standard model. A possible way of detecting these neutrinos in future is also discussed.
引用
收藏
页码:3065 / 3072
页数:8
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