The neutrino mass scale and the mixing angle $θ_{13}$ for quasi-degenerate Majorana neutrinos

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dc.creatorAdhikari, Rathin
dc.creatorDatta, Anindya
dc.creatorMukhopadhyaya, Biswarup
dc.date2007-03-30
dc.date2007-04-17
dc.date.accessioned2026-07-07T11:02:57Z
dc.date.available2026-07-07T11:02:57Z
dc.descriptionConsidering a general mass matrix for quasi-degenerate neutrinos and treating the experimentally known oscillation parameters as inputs, we study the correlation between the degenerate mass scale $(m)$ and the mixing angle $θ_{13}$. We find that, corresponding to different values of $m$, there exist upper bounds on $θ_{13}$, so that a precise determination of the latter in future may put upper limit on the former, and vice versa. One can also find a possible correlation between $m$ and lower bound of $θ_{13}$, depending on the relative strength of the unperturbed degenerate mass matrix and the perturbation. The possible constraints on the parameters of few models of quasi-degenerate neutrinos are briefly discussed.
dc.descriptioncorrections in the text, figures and references
dc.identifierhttps://arxiv.org/abs/hep-ph/0703318
dc.identifierhttp://arxiv.org/abs/hep-ph/0703318
dc.identifierPhys.Rev.D76:073003,2007
dc.identifierdoi:10.1103/PhysRevD.76.073003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188428
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe neutrino mass scale and the mixing angle $θ_{13}$ for quasi-degenerate Majorana neutrinos
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