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Measuring γ in B^pm to K^pm (K K^*)_D decays

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arxiv hep-ph/0210433 v2 pith:243XRAYP submitted 2002-10-31 hep-ph

Measuring γ in B^pm to K^pm (K K^*)_D decays

classification hep-ph
keywords decaysmethodgammaaccessibleanalysisangleattractivecabibbo-suppressed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We develop a method to measure the CKM angle $\gamma$ without hadronic uncertainties from the analysis of $B^\pm \to K^\pm D^0$ and $K^\pm \D0bar$ followed by singly Cabibbo-suppressed $D$ decays to non CP-eigenstates, such as $K^\pm K^{*\mp}$. This method utilizes the interference between $b\to c\bar u s$ and $b\to u\bar c s$ decays, and we point out several attractive features of it. All the modes that need to be measured for this method are accessible in the present data.

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