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Some Remarks on the Final State Interactions in $B\to πK$ Decays

Zuo-Hong Li·Feng Yuan·Hanqing Zheng
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Abstract

Careful discussions are made on some points which are met in studying B decay final state interactions, taking the $B^0\to π^+ K^-$ process as an example. We point out that $π$--exchange rescatterings are not important, whereas for $D^*$ and $D^{**}$ exchanges, since the $B^0\to D^+D_s^-$ decay has a large branching ratio their contributions may be large enough to enhance the $B\to πK$ branching ratio significantly. However our estimates fail to predict a large enhancement.

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Zuo-Hong Li, Feng Yuan, Hanqing Zheng. 1999-03-11. Some Remarks on the Final State Interactions in $B\to πK$ Decays. https://doi.org/10.1088/0253-6102%2F34%2F3%2F567

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