Glashow resonance as a window into cosmic neutrino sources

Abstract

The Glashow resonance at E_ν=6.3 PeV is a measure of the \barν_e content of the astrophysical neutrino flux. The fractional \barν_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.

11 pages, 2 tables, 1 figure. Version to appear as a Rapid Communication in PRD

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• Astrophysical Neutrino Production Diagnostics with the Glashow Resonance
• Aspects of the Flavor Triangle for Cosmic Neutrino Propagation
• Estimating the contribution of Galactic sources to the diffuse neutrino flux
• Probing New Physics at Future Tau Neutrino Telescopes
• Neutron β-decay as the origin of IceCube's PeV (anti)neutrinos
• High-energy neutrino deep inelastic scattering cross sections
• Probing Neutrino Mass Models through Resonances at Neutrino Telescopes
• Flavors of Astrophysical Neutrinos with Active-Sterile Mixing
• Bump-hunting in the diffuse flux of high-energy cosmic neutrinos
• Fifth Force and Hyperfine Splitting in Bound Systems
• Connect the Lorentz Violation to the Glashow Resonance Event
• Inferring astrophysical neutrino sources from the Glashow resonance
• Cosmic Flavor Hexagon for Ultrahigh-energy Neutrinos and Antineutrinos at Neutrino Telescopes
• Neutrino Properties and Interactions
• Aspects of astrophysical particle production and beyond the Standard Model phenomenology