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A Determination of the Weak Phase γfrom Color-allowed Bu DK Decays

Zhi-zhong Xing

hep-pharXiv:hep-ph/9804434

Abstract

We show that it is possible to determine the weak phase γ (- V*ub Vud / V*cb Vcd) of the Cabibbo-Kobayashi-Maskawa flavor mixing matrix only from the measurement of the color-allowed Bu D K decay rates. The uncertainty of this method, arising mainly from the factorization approximation for two tree-level spectator quark transitions, may be well controlled.

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