• Open Access

Visible decay of astrophysical neutrinos at IceCube

Asli Abdullahi and Peter B. Denton
Phys. Rev. D 102, 023018 – Published 14 July 2020

Abstract

Neutrino decay modifies neutrino propagation in a unique way; not only is there flavor changing as there is in neutrino oscillations, there is also energy transport from initial to final neutrinos. The most sensitive direct probe of neutrino decay is currently IceCube which can measure the energy and flavor of neutrinos traveling over extragalactic distances. For the first time, we calculate the flavor transition probability for the cases of visible and invisible neutrino decay, including the effects of the expansion of the Universe, and consider the implications for IceCube. As an example, we demonstrate how neutrino decay addresses a tension in the IceCube data.

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  • Received 22 May 2020
  • Accepted 1 July 2020

DOI:https://doi.org/10.1103/PhysRevD.102.023018

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & FieldsGravitation, Cosmology & Astrophysics

Authors & Affiliations

Asli Abdullahi1,* and Peter B. Denton2,†

  • 1Institute for Particle Physics Phenomenology, Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
  • 2High Energy Theory Group, Physics Department, Brookhaven National Laboratory, Upton, New York 11973, USA

  • *asli.abdullahi@durham.ac.uk
  • pdenton@bnl.gov

Article Text

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Issue

Vol. 102, Iss. 2 — 15 July 2020

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