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Type: Artigo de periódico
Title: Effects Of Non-standard Neutrino Interactions On Msw-lma Solution To The Solar Neutrino Problem
Author: Guzzo M.M.
De Holanda P.C.
Peres O.L.G.
Abstract: We show that the non-standard neutrino interactions can play a role as subleading effect on the solar neutrino oscillations. We observe that very small flavor universality violations of order of 0.1-0.2 GF is sufficient to induce two phenomena: suppression of the νe-Earth regeneration and a shift of the resonance layer in the Sun. We obtain these phenomena even in the absence of any flavor changing interactions. We discuss their consequences and confront with a global analysis of solar+KamLAND results. We conclude that a new compatibility region in the Δm2×tan 2θȯ, which we call very low large mixing angle region is found for Δm2∼10-5 eV2 and tan2θȯ=0.45. © 2004 Elsevier B.V. All rights reserved.
Rights: aberto
Identifier DOI: 10.1016/j.physletb.2004.04.035
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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