On the QCD corrections to the charged Higgs decay of a heavy quark
نویسنده
چکیده
On the QCD corrections to the charged Higgs decay of a heavy quark. Using dimensional regularization for both infrared and ultraviolet divergences, we confirm that the QCD corrections to the decay width Γ(t → H + b) are equal to those to Γ(t → W + b) in the limit of a large t quark mass.
منابع مشابه
QCD corrections to the charged Higgs decay of a heavy quark
We present an analytic formula for the O(α s) corrections to the decay t → H + b for nonzero m H and m b. The Equivalence Theorem is used to relate these corrections to those for the process t → W + b. Contrary to previously published results we find that the effect of the b quark mass is negligible for a wide range of m t , m H and tan β.
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تاریخ انتشار 1992