PoS - Proceedings of Science
Volume 405 - 7th Symposium on Prospects in the Physics of Discrete Symmetries, DISCRETE 2020-2021 (DISCRETE2020-2021) - Parallel sessions Monday
Lepton $g-2$ anomalies in general flavour conserving two Higgs doublets models
M. Nebot*, F.J. Botella, F. Cornet-Gomez and C. Miro
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The potential discrepancies between the anomalous magnetic moments of the electron and the muon and their Standard Model expectations are addressed in the context of a class of Two Higgs doublets models with tree level neutral flavour conservation. These ``anomalies'' can be explained in two regimes, either scalar masses $>1.3$ TeV and similar vacuum expectation values of the scalar doublets, or scalar masses $<1$ TeV and a strong hierarchy of vacuum expectation values. The electron anomaly is explained through two loops contributions in both regimes; the muon anomaly is explained through two loops contributions for large scalar masses, and through one loop contributions in the second regime with scalar masses $<1$ TeV.
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