The 2HD+a model for a combined explanation of the possible excesses in the CDF ${\mathbf{M}}_{\mathbf{W}}$ measurement and $(\mathbf{g}-2{)}_{\mu }$ with Dark Matter

Abstract

The new measurement of the $W$ boson mass performed by the CDF experiment at the Tevatron shows a significant deviation not only with the expectation in the Standard Model but also with other precision measurements performed at LEP, the Tevatron and the LHC. We nevertheless take this new measurement at face value and interpret it as an effect of new physics. We particularly try to link it with other possible anomalies such as the recent muon $g-2$ and consider a scenario that addresses some shortcomings of the Standard Model. We show that a model with two doublets and a light pseudoscalar Higgs fields, supplemented by a stable isosinglet fermion, can simultaneously explain the possible $M_W$ and $(g-2{)}_{\mu }$ anomalies and accounts for the weakly interacting massive particle that could be responsible of the dark matter in the universe.

6 pages, 4 figures

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Cited by in corpus (21)

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