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arxiv: hep-ph/0112063 · v1 · submitted 2001-12-04 · ✦ hep-ph

Rare B decays beyond B-> Xs gamma

classification ✦ hep-ph
keywords datadecaysdiscussgammahqetraresemileptonicappear
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I discuss recent progress in our understanding of exclusive rare and semileptonic decays. I show the impact of HQET when combined with the predictions in the Large Energy Limit of QCD, focusing first on applications to $B\to K^*\ell^+\ell^+$. I also discuss the constraints on semileptonic form-factors that appear in HQET/LEET with the use of radiative decay data, and update these to include the effects of next-to-leading order contributions in $B\to K^*\gamma$, as well as the latest data.

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