TeV–PeV Neutrinos from Low-Power Gamma-Ray Burst Jets inside Stars

Kohta Murase and Kunihito Ioka
Phys. Rev. Lett. 111, 121102 – Published 17 September 2013

Abstract

We study high-energy neutrino production in collimated jets inside progenitors of gamma-ray bursts (GRBs) and supernovae, considering both collimation and internal shocks. We obtain simple, useful constraints, using the often overlooked point that shock acceleration of particles is ineffective at radiation-mediated shocks. Classical GRBs may be too powerful to produce high-energy neutrinos inside stars, which is consistent with IceCube nondetections. We find that ultralong GRBs avoid such constraints and detecting the TeV signal will support giant progenitors. Predictions for low-power GRB classes including low-luminosity GRBs can be consistent with the astrophysical neutrino background IceCube may detect, with a spectral steepening around PeV. The models can be tested with future GRB monitors.

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  • Received 14 June 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.121102

© 2013 American Physical Society

Authors & Affiliations

Kohta Murase1 and Kunihito Ioka2,3

  • 1Institute for Advanced Study, Princeton, New Jersey 08540, USA
  • 2Theory Center, Institute of Particle and Nuclear Studies, KEK, Tsukuba 305-0801, Japan
  • 3Department of Particles and Nuclear Physics, The Graduate University for Advanced Studies (Sokendai), Tsukuba 305-0801, Japan

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Vol. 111, Iss. 12 — 20 September 2013

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