Constraints on decay plus oscillation solutions of the solar neutrino problem

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dc.creatorJoshipura, Anjan S.
dc.creatorMasso, Eduard
dc.creatorMohanty, Subhendra
dc.date2002-03-19
dc.date.accessioned2026-07-07T10:33:00Z
dc.date.available2026-07-07T10:33:00Z
dc.descriptionWe examine the constraints on non-radiative decay of neutrinos from the observations of solar neutrino experiments. The standard oscillation hypothesis among three neutrinos solves the solar and atmospheric neutrino problems. Decay of a massive neutrino mixed with the electron neutrino results in the depletion of the solar neutrino flux. We introduce neutrino decay in the oscillation hypothesis and demand that decay does not spoil the successful explanation of solar and atmospheric observations. We obtain a lower bound on the ratio of the lifetime over the mass of $ν_2$, $(τ_2/m_2) > 22.7 (\srm/\MeV)$ for the MSW solution of the solar neutrino problem and $(τ_2/m_2) > 27.8 (\srm/\MeV)$ for the VO solution (at 99% C.L.).
dc.description8 pages latex file with 4 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0203181
dc.identifierhttp://arxiv.org/abs/hep-ph/0203181
dc.identifierPhys.Rev.D66:113008,2002
dc.identifierdoi:10.1103/PhysRevD.66.113008
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178959
dc.subjectHigh Energy Physics - Phenomenology
dc.titleConstraints on decay plus oscillation solutions of the solar neutrino problem
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