Can new heavy gauge bosons be observed in ultra-high energy cosmic neutrino events?

Abstract

A wide range of models beyond the Standard Model predict charged and neutral resonances, generically called $W^{\prime }$- and $Z^{\prime }$-bosons, respectively. In this paper we study the impact of such resonances on the deep inelastic scattering of ultra-high energy neutrinos as well as on the resonant charged current ${\bar{\nu }}_e{e}^{-}$ scattering (Glashow resonance). We find that the effects of such resonances can not be observed with the Pierre Auger Observatory or any foreseeable upgrade of it.

5 pages, 2 figures

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• Probing Heavy Sterile Neutrinos at Ultrahigh Energy Neutrino Telescopes via the Dipole Portal
• Hunting the Glashow Resonance with PeV Neutrino Telescopes
• Double and multiple bangs at tau neutrino telescopes: A novel probe of sphalerons with cosmogenic neutrinos
• Inferring astrophysical neutrino sources from the Glashow resonance
• Probing new physics with high-multiplicity events: UHE neutrinos at air-shower detector arrays