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用振幅比值的方法，对末态为ＣＰ本征态的Ｂｄ０和Ｂｓ０介子衰变道可能的ＣＰ不对称性进行计算，并发现除了众所周知的Ｂｄ０→ψＫｓ外，Ｂｄ０→Ｄ＋Ｄ－也极有希望在１０７事例数附近观测到ＣＰ破坏．并讨论了计算结果的可靠性．
Using the amplitude ratio method, the possible CP asymmetry of the decay paths of Bd0 and Bs0 in the CP eigenstates of the final state is calculated and it is found that Bd0 → D + D-D is highly promising in addition to the well-known Bd0 → ψKs CP damage observed near the number of cases. The reliability of the calculation results is also discussed.