Neutrinos from the Propagation of a Relativistic Jet Through a Star

Details Neutrinos from the Propagation of a Relativistic Jet Through a Star Neutrinos from the Propagation of a Relativistic Jet Through a Star

2003-04-24

arxiv.org/abs/astro-ph/0304448v1

Astrophys.J. 591 (2003) 1104-1109

Astronomy and Astrophysics

Astrophysics

To appear in ApJ

Scientific paper

10.1086/375448

We discuss the neutrino signature of a relativistic jet propagating through a stellar envelope, a scenario realized in the collapsar model for Gamma Ray Bursts (GRBs). It is shown that the dramatic slowing of the jet deep within the star is accompanied by inelastic neutron-nucleon collisions and the conversion of a substantial fraction of the jet kinetic energy to neutrinos. These neutrinos have observed energies in the range two to tens of GeV and an estimated detection rate comparable to or larger than the detection rate of GeV neutrinos from other GRB-related processes. The time delay between the arrival of these neutrinos and the GRB photons is tens of seconds. An observation of this delay would provide an indication that the GRB jet originated in a massive star.

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