Constraints on neutrino decay lifetime using long-baseline charged and neutral current data

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dc.creatorGomes, Ricardo Avelino
dc.creatorGomes, Abner Leonel Gadelha
dc.creatorPeres, Orlando Luis Goulart
dc.date.accessioned2018-07-27T15:07:16Z
dc.date.available2018-07-27T15:07:16Z
dc.date.issued2015-01
dc.description.abstractWe investigate the status of a scenario involving oscillations and decay for charged and neutral current data from the MINOS and T2K experiments. We first present an analysis of charged current neutrino and anti-neutrino data from MINOS in the framework of oscillation with decay and obtain a best fit for non-zero decay parameter α3. The MINOS charged and neutral current data analysis results in the best fit for | m232| =2.34 ×10−3eV2, sin2θ23=0.60and zero decay parameter, which corresponds to the limit for standard oscillations. Our combined MINOS and T2K analysis reports a constraint at the 90% confidence level for the neutrino decay lifetime τ3/m3>2.8 ×10−12s/eV. This is the best limit based only on accelerator produced neutrinos.pt_BR
dc.identifier.citationGOMES, R. A.; GOMES, A. L. G.; PERES, O. L. G. Constraints on neutrino decay lifetime using long-baseline charged and neutral current data. Physics Letters B, New York, v. 740, p. 345-352, Jan. 2015.pt_BR
dc.identifier.doi10.1016/j.physletb.2014.12.014
dc.identifier.issne- 1873-2445
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/15493
dc.language.isoengpt_BR
dc.publisher.countryEstados unidospt_BR
dc.publisher.departmentInstituto de Física - IF (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectNeutrinopt_BR
dc.subjectNeutrino decaypt_BR
dc.subjectNeutrino oscillationpt_BR
dc.titleConstraints on neutrino decay lifetime using long-baseline charged and neutral current datapt_BR
dc.typeArtigopt_BR

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