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Final-state Rescattering Effects on Bd-->ππDecays and CP Violation

Zhi-zhong Xing

hep-pharXiv:hep-ph/0007136

Abstract

The significance of final-state interactions in Bd-->ππdecays is phenomenologically demonstrated by taking elastic ππ--ππand inelastic ππ--DD rescattering effects into consideration. We find that the present experimental data on B0d-->π+π- can well be understood in this approach without fine-tuning of the input parameters, and large CP-violating asymmetries are expected to manifest themselves in such charmless rare processes.

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