The decays B->KD and B-> KD and final state interactions
Fayyazuddin
Abstract
The decays B-> KD and B-> KD taking into account final state interactions are discussed. These decays are described by four strong phases δ0,δ1,δ0,δ1 (subscripts 0 and 1 refers to I=0 and I=1 final states), one weak phase γand four real amplitudes. It is argued that strong interaction dynamics implies δ1=0,δ0=-δ1. Rescattering has significant effects on weak amplitudes. Taking into account, rescattering, we find that direct CP--violating asymmetry in these decays may lie in the range 0.023 γ≤ calA1,2≤ 0.086 γ.
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