Determining Strong and Weak Phases in B_d -> D^{(*)\pm} D^{(*)\mp} Decays

Details Determining Strong and Weak Phases in B_d -> D^{(*)\pm} D^{(*)\mp} Decays Determining Strong and Weak Phases in B_d -> D^{(*)\pm} D^{(*)\mp} Decays

2002-07-17

arxiv.org/abs/hep-ph/0207202v1

High Energy Phys.Nucl.Phys. 26 (2002) 100-103

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex 4 pages with style file. Talk given at the XIVth Rencontres de Blois on Matter-Antimatter Asymmetry, 16 - 22 June 2002,

Scientific paper

We show that both the weak phase \beta and the strong phase \delta_d can be determined from the time-dependent measurement of B_d -> D^{*\pm} D^{\mp} decays, whose final states are non-CP eigenstates. It is also possible to extract \beta from B_d -> D^{*\pm} D^{*\mp} transitions without doing the angular analysis. Possible final-state rescattering effects in B_d -> D^{(*)\pm} D^{(*)\mp} channels are discussed by means of the isospin analysis. We emphasize that it is worthwhile to check whether the naive factorization approximation works or not for such B-meson decay modes into two heavy charmed mesons.

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