Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-07-25
eConf C0304052 (2003) WG421
Physics
High Energy Physics
High Energy Physics - Phenomenology
Invited talk at the Workshop on the CKM Unitarity triangle, IPP Durham, April 2003 (eConf C0304052), 4 pages LaTex
Scientific paper
We describe how the angular analysis of vector-vector final states in B decays provides theoretically clean techniques for determination of CP violating phases. The quantity $\sin^2 (2\beta + \gamma)$ can be cleanly obtained from the time dependent study of decays such as B_d(t)->D^{*\pm} \rho^\mp, D^{*\pm} a_1^{\mp} etc. Similarly, one can use B_s(t)-> D_s^{*\pm} K^{*\mp} to extract $\sin^2 \gamma$. A time independent study of the charged decay mode B^\pm-> D^{*0}(\bar D^{*0}) K^{*\pm} can also be used to extract gamma.
London David
Sinha Nita
Sinha Rahul
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