Neutrino mass operator renormalization revisited

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Abstract

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 β-functions from counterterms in MS-like renormalization schemes, which works for tensorial quantities. © 2001 Elsevier Science B.V. All rights reserved.

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Antusch, S., Drees, M., Kersten, J., Lindner, M., & Ratz, M. (2001). Neutrino mass operator renormalization revisited. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 519(3–4), 238–242. https://doi.org/10.1016/S0370-2693(01)01127-3

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