Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevD.76.073009
DC FieldValue
dc.titleDeviations from tribimaximal neutrino mixing in the type-II seesaw model and leptogenesis
dc.contributor.authorChan, A.H.
dc.contributor.authorFritzsch, H.
dc.contributor.authorLuo, S.
dc.contributor.authorXing, Z.-Z.
dc.date.accessioned2014-10-16T09:20:48Z
dc.date.available2014-10-16T09:20:48Z
dc.date.issued2007-10-18
dc.identifier.citationChan, A.H., Fritzsch, H., Luo, S., Xing, Z.-Z. (2007-10-18). Deviations from tribimaximal neutrino mixing in the type-II seesaw model and leptogenesis. Physical Review D - Particles, Fields, Gravitation and Cosmology 76 (7) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevD.76.073009
dc.identifier.issn15507998
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/96209
dc.description.abstractCurrent experimental data allow the zero value for one neutrino mass, either m1=0 or m3=0. This observation implies that a realistic neutrino mass texture can be established by starting from the limit (a) m1=m2=0 and m3≠0 or (b) m1=m2≠0 and m3=0. In both cases, we may introduce a particular perturbation which ensures the resultant neutrino mixing matrix to be the tribimaximal mixing pattern or its viable variations with all entries being formed from small integers and their square roots. We find that it is natural to incorporate this kind of neutrino mass matrix in the minimal type-II seesaw model with only one heavy right-handed Majorana neutrino N in addition to the SU(2)L Higgs triplet ΔL. We show that it is possible to account for the cosmological baryon number asymmetry in the m3=0 case via thermal leptogenesis, in which the one-loop vertex correction to N decays is mediated by ΔL and the CP-violating asymmetry of N decays is attributed to the electron flavor. © 2007 The American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevD.76.073009
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevD.76.073009
dc.description.sourcetitlePhysical Review D - Particles, Fields, Gravitation and Cosmology
dc.description.volume76
dc.description.issue7
dc.description.page-
dc.description.codenPRVDA
dc.identifier.isiut000250621200026
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