Final State Interaction In $B\to KK$ Decays

Details Final State Interaction In $B\to KK$ Decays Final State Interaction In $B\to KK$ Decays

2005-11-22

arxiv.org/abs/hep-ph/0511255v2

Phys.Rev.D73:034005,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1103/PhysRevD.73.034005

We study the final state interaction effects in $B\to KK$ decays. We find
that the $t$ channel one-particle-exchange diagrams cannot enhance the
branching ratios of $\bar{B^0}\to K^0\bar{K^0}$ and $B^-\to K^0K^-$ very
sizably. For the pure annihilation process $\bar{B^0}\to K^+K^-$, the obtained
branching ratio by final state interaction is at ${\cal{O}}(10^{-8})$.

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