Effects of neutrino oscillation on supernova neutrino: inverted mass hierarchy

Details Effects of neutrino oscillation on supernova neutrino: inverted mass hierarchy Effects of neutrino oscillation on supernova neutrino: inverted mass hierarchy

Publishing date

2002-05-08

URL

arxiv.org/abs/hep-ph/0205070v3

Journals

Prog.Theor.Phys. 109 (2003) 919-931

Science

Physics

Field

High Energy Physics

SubField

High Energy Physics - Phenomenology

Additional info

13 pages, 9 figures, significantly revised. Published version in PTP

Type

Scientific paper

Digital Object Identifier

10.1143/PTP.109.919

Abstract

We study the effects of neutrino oscillation on supernova neutrino in the case of the inverted mass hierarchy ($m_{3} \ll m_{1} < m_{2}$) as well as the normal mass hierarchy ($m_{1} < m_{2} \ll m_{3}$). Numerical analysis using a realistic supernova and presupernova model allows us to discuss quantitatively a possibility to probe neutrino oscillation parameters. We show that information about the mass hierarchy can be obtained if $\theta_{13}$ is rather large ($\sin^{2}{2 \theta_{13}} > 10^{-3}$) and that $\theta_{13}$ can be well probed by SuperKamiokande if the neutrino mass hierarchy is the inverted case. Errors due to the uncertainty of the original neutrino spectra and the Earth effect are also discussed.

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