Stochastic Neutrino Mixing Mechanism

dc.creatorGuzzo M.M.
dc.creatorDe Holanda P.C.
dc.creatorPeres O.L.G.
dc.creatorZavanin E.M.
dc.date2013
dc.date2015-06-25T19:09:16Z
dc.date2015-11-26T15:07:10Z
dc.date2015-06-25T19:09:16Z
dc.date2015-11-26T15:07:10Z
dc.date.accessioned2018-03-28T22:17:35Z
dc.date.available2018-03-28T22:17:35Z
dc.identifier
dc.identifierPhysical Review D - Particles, Fields, Gravitation And Cosmology. , v. 87, n. 9, p. - , 2013.
dc.identifier15507998
dc.identifier10.1103/PhysRevD.87.093003
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84877932278&partnerID=40&md5=05abdacd3a5d67bfe6d46cb048148c04
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/88262
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/88262
dc.identifier2-s2.0-84877932278
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1257393
dc.descriptionWe propose a mechanism which provides an explanation of the Gallium and antineutrino reactor anomalies. Differently from original Pontecorvo's hypothesis, this mechanism is based on the phenomenological assumption in which the admixture of neutrino mass eigenstates in the moments of neutrino creation and detection can assume different configurations around the admixture parametrized by the usual values of the mixing angles θ12, θ23, and θ13. For simplicity, we assume a Gaussian distribution for the mixing angles in such a way that the average value of this distribution is given by the usual values of the mixing angles, and the width of the Gaussian is denoted by α. We show that the proposed mechanism provides a possible explanation for very short-baseline neutrino disappearance, necessary to accommodate Gallium and antineutrino reactor anomalies, which is not allowed in usual neutrino oscillations based on Pontecorvo's original hypotheses. We also can describe high-energy oscillation experiments, like LSND, Fermi, and NuTeV, assuming a weakly energy dependent width parameter, α(E), that nicely fits all experimental results. © 2013 American Physical Society.
dc.description87
dc.description9
dc.description
dc.description
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dc.languageen
dc.publisher
dc.relationPhysical Review D - Particles, Fields, Gravitation and Cosmology
dc.rightsaberto
dc.sourceScopus
dc.titleStochastic Neutrino Mixing Mechanism
dc.typeArtículos de revistas


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