$O({\alpha }_s)$ corrections to polarized top decay into a charged Higgs $t(\uparrow )\to H^{+}+b$

A. Kadeer, J. G. Körner, M. C. Mauser

We calculate the $O({\alpha }_s)$ radiative corrections to polarized top quark decay into a charged Higgs boson and a massive bottom quark in two variants of the two-Higgs-doublet model.…