Charged-Higgs phenomenology in the aligned two-Higgs-doublet model
By M. Jung, A. Pich, Paula Tuzón. 2010
203 citations recorded by the source corpus.
The alignment in flavour space of the Yukawa matrices of a general two-Higgs-doublet model results in the absence of tree-level flavour-changing neutral currents. In addition to the usual fermion masses and mixings, the aligned Yukawa structure only contains three complex parameters ςf, which are potential new sources of CP violation [1]. For particular values of these three parameters all known specific implementations of the model based on discrete $ {\mathcal{Z}_2} $ symmetries are recovered. One of the most distinctive features of the two-Higgs-doublet model is the presence of a charged scalar H±. In this work, we discuss its main phenomenological consequences in flavour-changing processes at low energies and derive the corresponding constraints on the parameters of the aligned two-Higgs-doublet model.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/93ff23e2e6b44f4a25af33daccd4557f33e6887f
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Citations in the corpus
- Higgs-mediated FCNCs: natural flavour conservation vs. minimal flavour violation (2010, unknown): “Added note. After the completion of this work, two papers discussing related issues have appeared: a model-independent analysis of new-physics eects in Bs and Bd mixing [69], and a detailed analysis of avour-changing amplitudes mediated by charged-Higgs exchange [ 70 ].”
- Electric dipole moments in two-Higgs-doublet models (2013, methodology): “The contribution with a tau lepton in the loop, proportional to Im(y2l ) (Re(yl,11)Im(yl,33) and Re(yl,33)Im(yl,11)), is subject to strong cancellations in the A2HDM; there is therefore no conservative limit.”
- Higgs Physics at the HL-LHC and HE-LHC (2019, background): “For the charged Higgs bosons, LEP searches [1005] and B-physics constraints from Rb, ✏K , mB, B ! Xs , and B ! ⌧⌫ [1006, 1007, 1008, 1009, 1010] measurements impose the most stringent constraints.”