Enhancement of lepton flavor violation in a model with bimaximal mixing at the grand unification scale

Shinya Kanemura, Koichi Matsuda, Toshihiko Ota, Tetsuo Shindou, Eiichi Takasugi, Koji Tsumura

研究成果: Contribution to journalArticle査読

6 被引用数 (Scopus)

抄録

We study phenomenological predictions in the scenario with the quasidegenerate relation among neutrino Dirac masses, mD1mD2<mD3, assuming the bimaximal 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 μ→eγ can be enhanced due to the Majorana phase, so that it can be detectable at forthcoming experiments. The processes τ→eγ and τ→μγ are suppressed because of the structure of neutrino Dirac masses, and their branching ratios are smaller than that of μ→eγ.

本文言語英語
論文番号093004
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
72
9
DOI
出版ステータス出版済み - 11 1 2005
外部発表はい

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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