Applicability of Heavy Quark Effective Theory to the Radiative Decay B K* + γ
Debrupa Chakraverty, Triptesh De, Binayak Dutta-Roy, Anirban Kundu
Abstract
In the context of the observed decay B → K* γ the applicability of the Heavy Quark Effective Theory (HQET), treating both b and s as heavy quarks, is examined. We show that the heavy s-quark approximation, as can be found in the literature, is not reliable.
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