On the Energy of Neutrinos from Gamma‐Ray Bursts | Zendy

M. Vietri | Zendy

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On the Energy of Neutrinos from Gamma‐Ray Bursts

Author(s) -

M. Vietri

Publication year - 1998

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/306336

Subject(s) - physics , afterglow , gamma ray burst , neutrino , pion , muon , ejecta , nuclear physics , astrophysics , synchrotron , high energy , adiabatic process , energy (signal processing) , particle physics , supernova , quantum mechanics , thermodynamics

Ultra high energy protons accelerated at the shocks causing gamma ray burstsphotoproduce pions, and then neutrinos in situ. I consider here the sources oflosses in this process, namely adiabatic and synchrotron losses by both pionsand muons. When the shocks under consideration are external, i.e., thosebetween the ejecta and the surrounding interstellar medium, I show thatneutrinos produced by pion decay are unaffected by losses; those produced bymuon decay, in the strongly beamed emission required by afterglow observationsof GRB 971214, are limited in energy, but still exceed 10^19 eV. In particular,this means that ultra high energy neutrinos will be produced throughafterglows.Comment: to appear in The Astrophysical Journal. AASTEX LateX, 2 figure

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