Enhancement of lepton flavor violation in a model with bi-maximal mixing at the grand unification scale

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dc.contributor.areaPhysicsen_US
dc.contributor.authorKanemura, Shinyaen_US
dc.contributor.authorMatsuda, Koichien_US
dc.contributor.authorOta, Toshihikoen_US
dc.contributor.authorShindou, Tetsuoen_US
dc.contributor.authorTakasugi, Eiichien_US
dc.contributor.authorTsumura, Kojien_US
dc.contributor.departmentElementary Particle Theoryen_US
dc.date.accessioned2005en_US
dc.date.accessioned2011-09-07T20:28:39Z
dc.date.available2005en_US
dc.date.available2011-09-07T20:28:39Z
dc.date.issued2005en_US
dc.description.abstractWe study phenomenological predictions in the scenario with the quasi-degenerate relation among neutrino Dirac masses, m_D1 simeq m_D2 < m_D3, assuming the bi-maximal mixing at the grand unification scale in supersymmetric standard models with right-handed neutrinos. A sufficient lepton number asymmetry can be produced for successful leptogenesis. The lepton flavor violating process mu to e gamma can be enhanced due to the Majorana phase, so that it can be detectable at forthcoming experiments. The processes tau to e gamma and tau to mu gamma are suppressed because of the structure of neutrino Dirac masses, and their branching ratios are smaller than that of mu to e gamma.en_US
dc.format.extent208042 bytesen_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationPhys. Rev. D 72 (2005) 093004en_US
dc.identifier.urihttps://openscience.sissa.it/handle/1963/1763en_US
dc.language.isoen_USen_US
dc.relation.ispartofseriesSISSA;57/2005/EPen_US
dc.relation.ispartofseriesarXiv.org;hep-ph/0501228en_US
dc.relation.uri10.1103/PhysRevD.72.093004en_US
dc.titleEnhancement of lepton flavor violation in a model with bi-maximal mixing at the grand unification scaleen_US
dc.typePreprinten_US
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