Neutrino flavor ratios on the earth for decay and oscillation scenarios

T. C. Liu*, Kwang Chang Lai, Guey Lin Lin

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Due to flavor transition mechanisms in neutrino propagations, both neutrino oscillation and decay, neutrinos flavor ratio at astrophysical sources can quite different from observed ratios on the Earth.1 We use the recent global fitting result of the mixing angle values2 to determine the allowed neutrino flavor ratios on the Earth for standard neutrino oscillation and general decay mechanisms. In this analysis, four types of the neutrino decay mechanisms can be distinguished from the oscillation case easily with arbitrary initial neutrino flavor ratio and the other four types of neutrino decay mechanisms can be distinguished from the oscillation case with the specified source. The rest types of neutrino decays strongly overlap with the oscillation and cannot be identified.

Original languageEnglish
Article number1340005
JournalModern Physics Letters A
Volume28
Issue number2
DOIs
StatePublished - 20 Jan 2013

Keywords

  • mixing angle
  • Neutrino

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