High energy neutrinos from charm in astrophysical sources

Details High energy neutrinos from charm in astrophysical sources High energy neutrinos from charm in astrophysical sources

2008-08-20

arxiv.org/abs/0808.2807v2

Phys. Rev. D 79, 053006 (2009)

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures. Modified results to account for maximum proton energies, paper somewhat extended, several points clarified

Scientific paper

10.1103/PhysRevD.79.053006

Charm production gives rise to a flux of very high energy neutrinos from astrophysical sources with jets driven by central engines, such as gamma ray bursts or supernovae with jets. The neutrino flux from semi-leptonic decays of charmed mesons is subject to much less hadronic and radiative cooling than the conventional flux from pion and kaon decays and therefore has a dominant contribution at higher energies, of relevance to future ultrahigh energy neutrino experiments.

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