Connecting Leptogenesis to CP Violation in Neutrino Mixings in a Tri-bimaximal Mixing model

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dc.creatorMohapatra, R. N.
dc.creatorYu, Hai-Bo
dc.date2006-10-02
dc.date2006-10-20
dc.date.accessioned2026-07-07T10:25:34Z
dc.date.available2026-07-07T10:25:34Z
dc.descriptionWe show that in a recently proposed $S_3$ model for tri-bimaximal mixing pattern for neutrinos, CP violating phases in neutrino mixings are directly responsible for lepton asymmetry $ε_\ell$. In the exact tri-bimaximal limit, $ε_\ell$ is proportional to one of the Majorana phases whereas in the presence of small deviations from tri-bimaximal pattern, there are two contributions, one being proportional to the Dirac phase and the other to one of the two Majorana phases. In the second case, $θ_{13}$ is nonzero and correlated with the deviation from maximal atmospheric mixing.
dc.description14 pages; no figures; references updated
dc.identifierhttps://arxiv.org/abs/hep-ph/0610023
dc.identifierhttp://arxiv.org/abs/hep-ph/0610023
dc.identifierPhys.Lett.B644:346-351,2007
dc.identifierdoi:10.1016/j.physletb.2006.12.005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176584
dc.subjectHigh Energy Physics - Phenomenology
dc.titleConnecting Leptogenesis to CP Violation in Neutrino Mixings in a Tri-bimaximal Mixing model
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