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Constraining the Unitarity Triangle with B -> K* gamma and B -> rho gamma

Stefan W. Bosch
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Abstract

We discuss the exclusive radiative decays B -> K* gamma and B -> rho gamma in QCD factorization within the Standard Model. The analysis is based on the heavy-quark limit of QCD. Our results for these decays are complete to next-to-leading order in QCD and to leading order in the heavy-quark limit. Phenomenological implications for branching ratios and isospin breaking effects are discussed. Special emphasis is placed on constraining the CKM unitarity triangle from these observables.

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Stefan W. Bosch. 2003-10-28. Constraining the Unitarity Triangle with B -> K* gamma and B -> rho gamma. https://doi.org/10.1140/epjcd%2Fs2003-03-128-y

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