Ultra high energy neutrinos from gamma ray bursts

Details Ultra high energy neutrinos from gamma ray bursts Ultra high energy neutrinos from gamma ray bursts

1998-02-18

arxiv.org/abs/astro-ph/9802241v2

Phys.Rev.Lett. 80 (1998) 3690-3693

Astronomy and Astrophysics

Astrophysics

Adiabatic/synchrotron losses from protons/pions/muons shown to be negligible. Accepted for publication in Phys. Rev. Letters.

Scientific paper

10.1103/PhysRevLett.80.3690

Protons accelerated to high energies in the relativistic shocks that generate gamma ray bursts photoproduce pions, and then neutrinos in situ. I show that ultra high energy neutrinos (> 10^19 eV) are produced during the burst and the afterglow. A larger flux, also from bursts, is generated via photoproduction off CMBR photons in flight but is not correlated with currently observable bursts, appearing as a bright background. Adiabatic/synchrotron losses from protons/pions/muons are negligible. Temporal and directional coincidences with bursts detected by satellites can separate correlated neutrinos from the background.

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