Hybrid MSW+VO solution of the solar neutrino problem in string-motivated unified theories

dc.contributor.authorAllanach, B. C.en
dc.contributor.authorLeontaris, G. K.en
dc.contributor.authorPetcov, S. T.en
dc.date.accessioned2015-11-24T18:27:17Z
dc.date.available2015-11-24T18:27:17Z
dc.identifier.issn0370-2693-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/16010
dc.rightsDefault Licence-
dc.subjectmixing anglesen
dc.subjectmodelen
dc.subjectmassesen
dc.titleHybrid MSW+VO solution of the solar neutrino problem in string-motivated unified theoriesen
heal.abstractIt is shown that the hybrid MSW + VO solution of the solar neutrino problem, according to which the solar v(e) undergo matter-enhanced transitions into v(mu,tau) in the Sun followed by long wave length (similar to 1.5 x 10(8) km) v(e) <-> v(mu,tau) oscillations in vacuum between the Sun and the Earth, can occur naturally in string-motivated grand unified theories. We consider the supersymmetric version of a string-type SU(4) x SU(2)(L) x SU(2)(R) theory with U(1)(x) family symmetry, which was shown to successfully describe the charged fermion masses and the quark mixing, and extend the earlier fermion mass analysis to the neutrino sector. We show that the four oscillation parameters Delta m(31)(2), Delta m(21)(2) and sin(2)2 theta(12), sin(2)2 theta(13), characterising the combined matter-enhanced transitions and vacuum oscillations of the solar v(e), naturally get values in the ranges of the hybrid MSW + -VO solutions found recently. (C) 1998 Elsevier Science B.V, All rights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.secondary<Go to ISI>://000075163000016-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0370269398005413/1-s2.0-S0370269398005413-main.pdf?_tid=037db529c34de944a5f3b2ae54fdd077&acdnat=1334223883_b2ea1d9c82eddbd25bb38cf1d162f92b-
heal.journalNamePhysics Letters Ben
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate1998-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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