Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 76, Issue 3, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-016-3993-0
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Funding
- Spanish MINECO [FPA2011-23596, FPA2015-68318-R, SEV-2014-0398]
- Generalitat Valenciana [GVPROMETEOII 2014-049]
- Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) - POCTI (FEDER) [CERN/FP/123580/2011, PTDC/FIS-NUC/0548/2012, UID/FIS/00777/2013]
- COMPETE
- QREN
- EU
- Fundação para a Ciência e a Tecnologia [CERN/FP/123580/2011, PTDC/FIS-NUC/0548/2012, UID/FIS/00777/2013] Funding Source: FCT
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We analyse various flavour-changing processes like t -> hu, hc, h -> t e, tau mu as well as hadronic decays h -> bs, bd, in the framework of a class of two Higgs doublet models where there are flavour-changing neutral scalar currents at tree level. These models have the remarkable feature of having these flavour-violating couplings entirely determined by the CKM and PMNS matrices as well as tan beta. The flavour structure of these scalar currents results from a symmetry of the Lagrangian and therefore it is natural and stable under the renormalisation group. We show that in some of the models the rates of the above flavour-changing processes can reach the discovery level at the LHC at 13 TeV even taking into account the stringent bounds on low energy processes, in particular mu -> e gamma.
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