Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-05-08
Eur.Phys.J. A4 (1999) 91-96
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex, 14 pages, with 1 figures and 2 tables
Scientific paper
10.1007/s100500050207
We study the final-state interactions in $B \to \pi K$ decays through $B \to VV \to \pi K$ processes where the inelastic rescattering occurs via single pion exchange. The next-to-leading order low energy effective Hamiltonian and BSW model are used to evaluate the weak transition matrix elements and the final-state interactions. We found that the final-state interaction effects in $B \to \rho K^* \to \pi K$ processes are significant. The Fleischer-Mannel relation about the CKM angle $\gamma$ may be significantly modified.
Du Dong-Sheng
Li Xue-Qian
Wei Zheng-Tao
Zou Bing-Song
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