Glashow resonance as a window into cosmic neutrino sources

D. Marfatia; J.G. Learned; Lingjun Fu; S. Pakvasa; T.J. Weiler; V. Barger

arxiv: 1407.3255 · v2 · pith:PFBFI6TDnew · submitted 2014-07-11 · 🌌 astro-ph.HE · hep-ph

Glashow resonance as a window into cosmic neutrino sources

V. Barger , Lingjun Fu , J.G. Learned , D. Marfatia , S. Pakvasa , T.J. Weiler This is my paper

classification 🌌 astro-ph.HE hep-ph

keywords glashowneutrinoresonanceastrophysicalcontentcosmicsourcesources

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The Glashow resonance at E_\nu=6.3 PeV is a measure of the \bar\nu_e content of the astrophysical neutrino flux. The fractional \bar\nu_e content depends on the neutrino production model at the cosmic neutrino source, and the environment at the source. Thus, the strength of the Glashow resonance event rate is a potential window into astrophysical sources. We quantify the "Glashow resonometer" and comment on the significance that no Glashow events are observed in the IceCube three-year data.

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