Neutrino Mass Operator Renormalization in Two Higgs Doublet Models and the MSSM

Details Neutrino Mass Operator Renormalization in Two Higgs Doublet Models and the MSSM Neutrino Mass Operator Renormalization in Two Higgs Doublet Models and the MSSM

2001-10-29

arxiv.org/abs/hep-ph/0110366v1

Phys.Lett. B525 (2002) 130-134

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 18 eps figures

Scientific paper

10.1016/S0370-2693(01)01414-9

In a recent re-analysis of the Standard Model (SM) beta-function for the effective neutrino mass operator, we found that the previous results were not entirely correct. Therefore, we consider the analogous dimension five operators in a class of Two Higgs Doublet Models (2HDM's) and the Minimal Supersymmetric Standard Model (MSSM). Deriving the renormalization group equations for these effective operators, we confirm the existing result in the case of the MSSM. Some of our 2HDM results are new, while others differ from earlier calculations. This leads to modifications in the renormalization group evolution of leptonic mixing angles and CP phases in the 2HDM's.

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