Cooling of Accelerated Nucleons and Neutrino Emission in Gamma-Ray Bursts

Abstract

Using Monte Carlo simulations, we demonstrate photopion production from Fermi-accelerated protons and the resulting neutrino production in gamma-ray bursts. Unless internal shocks occur at quite large distance from the center, ultra high-energy protons are depleted by photopion production and synchrotron radiation. Internal shocks at fiducial distance cause neutrino bursts, which accompany gamma-ray bursts originating from electromagnetic cascades.

20 pages, 9 figures, accepted for publication in ApJ 624, #1

References in corpus (3)

• High-Energy Cosmic Rays from Gamma-Ray Bursts
• Photon Emission in a Cascade from Relativistic Protons Initiated by Residual Thermal Photons in Gamma-Ray Bursts
• Dispersion of the Break Energy in the GRB Internal Shock Model

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