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Type: Artigo de periódico
Title: Inverted hierarchy of neutrino masses disfavored by supernova 1987A
Author: Minakata, H
Nunokawa, H
Abstract: We discuss the flavor conversion of supernova neutrinos in the three-flavor mixing scheme of neutrinos. We point out that by neutrino observation from supernova one can discriminate the inverted hierarchy of neutrino masses from the normal one if s(13)(2) greater than or similar to a few x 10(-4), irrespective of which oscillation solution to the solar neutrino problem is realized in nature. We perform an analysis of data of SN1987A and obtain a strong indication that the inverted mass hierarchy is disfavored unless s(13)(2) less than or similar to a few x 10(-4). (C) 2001 Elsevier Science B.V. All rights reserved.
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/S0370-2693(01)00254-4
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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