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arXiv · hep-ph/9508234

Constraints on a General Higgs Sector from $K^0-\bar K^0$, $B_d- \bar B_d$ Mixing and the $ε$ Parameter

Debrupa Chakraverty·Anirban Kundu
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Abstract

The scalar sector of the Standard Model is extended to include an arbitrary assortment of scalars. In the case where this assignment does not preserve $ρ=1$ at the tree-level, the departure from unity itself puts the most stringent constraint on the scalar sector, and where $ρ_{tree}=1$ is maintained, useful bounds on the parameter space of the charged Higgs mass and the doublet-nondoublet mixing angle can arise from data on $\bbbar$, $\kkbar$ mixing and the $\e$ parameter. These constraints turn out to be comparable (and in some cases, better) to those obtained from $\zbb$ data.

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Debrupa Chakraverty, Anirban Kundu. 1995-08-08. Constraints on a General Higgs Sector from $K^0-\bar K^0$, $B_d- \bar B_d$ Mixing and the $ε$ Parameter. https://doi.org/10.1142/s0217732396000692

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