Physics – High Energy Physics
Scientific paper
Jun 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..917...69s&link_type=abstract
PARTICLES AND FIELDS: Proceedings of the VI Latin American Symposium on High Energy Physics and the XII Mexican School of Partic
Physics
High Energy Physics
Neutrino Mass And Mixing, Gamma-Ray Sources, Gamma-Ray Bursts
Scientific paper
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.
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