Neutrino Mass Operator Renormalization Revisited

Details Neutrino Mass Operator Renormalization Revisited Neutrino Mass Operator Renormalization Revisited

2001-08-01

arxiv.org/abs/hep-ph/0108005v2

Phys.Lett. B519 (2001) 238-242

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures, references updated

Scientific paper

10.1016/S0370-2693(01)01127-3

We re-derive the renormalization group equation for the effective coupling of the dimension five operator which corresponds to a Majorana mass matrix for the Standard Model neutrinos. We find a result which differs somewhat from earlier calculations, leading to modifications in the evolution of leptonic mixing angles and CP phases. We also present a general method for calculating beta-functions from counterterms in MS-like renormalization schemes, which works for tensorial quantities.

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