Earth matter effects on the supernova neutrino spectra

2001/06/28 by Amol Dighe, Amol S. Dighe, Dighe, Amol S. · 1 citation
Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Neutrino Physics Research #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/0106325

8 pages LaTeX, 2 eps figures, uses Rinton-P9x6.cls. Talk given at CICHEP '2001, Cairo, Egypt, January 2001

arxiv created 2001/06/28 · openalex publication_date 2001/06/28 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We explore the earth matter effects on the energy spectra of neutrinos from a supernova. We show that the observations of the energy spectra of ν_e and ν_e from a galactic supernova may enable us to identify the solar neutrino solution, to determine the sign of Δm²₃₂, and to probe the mixing matrix element |U_e3|² to values as low as 10^-3. We point out scenarios in which the matter effects can even be established through the observation of the spectrum at a single detector.

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• Signatures of supernova neutrino oscillations in the Earth mantle and core

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