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arXiv · 1710.02040

Flavour alignment in multi-Higgs-doublet models

Ana Peñuelas·Antonio Pich
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Abstract

Extended electroweak scalar sectors containing several doublet multiplets require flavour-aligned Yukawa matrices to prevent the appearance at tree level of unwanted flavour- changing neutral-current transitions. We analyse the misalignment induced by one-loop quantum corrections and explore possible generalizations of the alignment condition and their compatibility with current experimental constraints. The hypothesis of flavour alignment at a high scale turns out to be consistent with all known phenomenological tests.

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Ana Peñuelas, Antonio Pich. 2017-10-05. Flavour alignment in multi-Higgs-doublet models. https://doi.org/10.1007/jhep12(2017)084

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