Prompt high-energy neutrinos from gamma-ray bursts in photospheric and synchrotron self-Compton scenarios

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Abstract

We investigate neutrino emission from gamma-ray bursts (GRBs) under alternative scenarios for prompt emission (the photospheric and synchrotron self-Compton scenarios) rather than the classical optically thin synchrotron scenario. In the former scenario, we find that neutrinos from the pp reaction can be very important at energies (10-100)TeV. They may be detected by IceCube/KM3Net and useful as a probe of baryon acceleration around/below the photosphere. In the latter scenario, we may expect ∼EeV pγ neutrinos produced by soft photons. Predicted spectra are different from that in the classical scenario, and neutrinos would be useful as one of the clues to the nature of GRBs (the jet composition, emission radius, magnetic field, and so on).

Original languageEnglish (US)
Article number101302
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume78
Issue number10
DOIs
StatePublished - Nov 19 2008

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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