Effects of neutrino temperatures and mass hierarchies on the detection of supernova neutrinos

Shao Hsuan Chiu, T. K. Kuo

Research output: Contribution to journalJournal Article peer-review

10 Scopus citations

Abstract

The possible outcomes of neutrino events at both Super-Kamiokande and SNO for a type-II supernova are analyzed considering the uncertainties in supernova neutrino spectra (temperature) at emission, which may complicate the interpretation of the observed events. With the input of parameters deduced from the current solar and atmospheric experiments, the consequences of direct-mass hierarchy (Formula presented) and inverted-mass hierarchy (Formula presented) are investigated. Even if the (Formula presented) temperatures are not precisely known, we find that future experiments are likely to be able to separate the currently accepted solutions to the solar neutrino problem, large-angle Mikheyev-Smirnov-Wolfenstein (MSW), small-angle MSW, and the vacuum oscillation, as well as to distinguish between the direct and inverted mass hierarchies of the neutrinos.

Original languageEnglish
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume61
Issue number7
DOIs
StatePublished - 2000
Externally publishedYes

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