Non-unitarity of the leptonic mixing matrix in the TeV-scale type-I seesaw model

Abstract

The non-unitarity effects in the leptonic flavor mixing are regarded as one of the generic features of the type-I seesaw model. Therefore, we explore these effects in the TeV-scale type-I seesaw model, and show that there exist non-trivial correlations among the non-unitarity parameters, stemming from the typical flavor structure of the low-scale seesaw model. In general, it follows from analytical discussions and numerical results that all the six non-unitarity parameters are related to three model parameters, while the widely studied parameters η_{eτ} and η_{μτ} cannot be phenomenologically significant

5 pages, 2 figures, published version

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Cited by in corpus (7)

• The minimal scenario of leptogenesis
• Phenomenological Consequences of sub-leading Terms in See-Saw Formulas
• Impact of massive neutrinos on the Higgs self-coupling and electroweak vacuum stability
• Non-unitary neutrino mixing in short and long-baseline experiments
• Heavy Neutrinos and Lepton Number Violation in lp Colliders
• Threshold effects on renormalization group running of neutrino parameters in the low-scale seesaw model
• Neutrino counting experiments and non-unitarity from LEP and future experiments