Inelastic Rescattering and CP Asymmetries in D -> pi+ pi-, pi0 pi0

arxiv: hep-ph/9709508 · v1 · pith:SVYZQVJMnew · submitted 1997-09-30 · ✦ hep-ph

Inelastic Rescattering and CP Asymmetries in D -> pi+ pi-, pi0 pi0

X.Q.Li (CCAST , World Laboratory , Beijing & Department of Physics , Nankai University , Tianjin , China.) B.S.Zou (Queen Mary & Westfield College , London) This is my paper

classification ✦ hep-ph

keywords inelasticrescatteringalmostasymmetriesasymmetrydatadeltadirect

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We study the direct CP violation induced by inelastic final state interaction (FSI) rescattering in $D\to\pi\pi$ modes, and find that the resultant CP asymmetry is about $10^{-4}$ which is larger than $\epsilon'$ in the K-system. Our estimation is based on well-established theories and experiment measured data, so there are almost no free parameters except the weak phase $\delta_{13}$ in the CKM matrix.

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Inelastic Rescattering and CP Asymmetries in D -> pi+ pi-, pi0 pi0

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