EPJ Web of Conferences
Volume 118, 2016International Workshop on “Flavour Changing and Conserving Processes” 2015 (FCCP 2015)
|Number of page(s)||5|
|Published online||26 April 2016|
A two-Higgs-doublet model facing experimental hints
1 CERN Theory Division, CH–1211 Geneva 23, Switzerland
2 Service de Physique Théorique, Université Libre de Bruxelles, Boulevard du Triomphe, CP225, 1050 Brussels, Belgium
3 Helmholtz-Institut für Strahlen- und Kernphysik (Theory) and Bethe Center for Theoretical Physics, University of Bonn, D–53115 Bonn, Germany
Published online: 26 April 2016
Physics beyond the Standard Model has so far eluded our experimental probes. Nevertheless, a number of interesting anomalies have accumulated that can be taken as hints towards new physics: BaBar, Belle, and LHCb have found deviations of approximately 3:8σ in B → Dτν and B → D*τν; the anomalous magnetic moment of the muon differs by about 3σ from the theoretic prediction; the branching ratio for τ → μνν is about 2σ above the Standard Model expectation; and CMS and ATLAS found hints for a non-zero decay rate of h → μτ at 2.6σ. Here we consider these processes within a lepton-specific two-Higgs doublet model with additional non-standard Yukawa couplings and show how (and which of) these excesses can be accommodated.
© Owned by the authors, published by EDP Sciences, 2016
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