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

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

2002-10-31

arxiv.org/abs/hep-ph/0210433v2

Phys.Rev. D67 (2003) 071301

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages

Scientific paper

10.1103/PhysRevD.67.071301

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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