Determination of φ_1 with B to D^(*)\bar D^(*)

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  • 10 February 1997
Abstract
We present an isospin analysis of the decay modes B to D\bar{D}, D^*\bar{D}, D\bar{D}^* and D^*\bar{D}^*. As these transitions have branching ratios of the order 10^{-4} or larger, they could be useful in detecting the CP-violating phase \phi_1 \equiv \arg (-V^*_{cb} V_{cd} V_{tb} V^*_{td} ) in the first-round experiments of a B-meson factory. Once the Kobayashi-Maskawa matrix elements are known, it is possible to obtain the magnitudes and relative phases of hadronic matrix elements for B to D^{(*)}\bar{D}^{(*)}.

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