Rescattering Information from $B \to K \bar K$ Decays

Details Rescattering Information from $B \to K \bar K$ Decays Rescattering Information from $B \to K \bar K$ Decays

1998-06-11

arxiv.org/abs/hep-ph/9806348v2

Phys.Rev. D58 (1998) 113005

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, latex, 7 figures, to be published in Phys. Rev. D. Minor corrections and additions

Scientific paper

10.1103/PhysRevD.58.113005

Rescattering effects can modify the dependence on the weak phase $\gamma = -{\rm Arg}(V^*_{ub}V_{ud}/V^*_{cb} V_{cd})$ of the ratio of rates for $B^{\pm} \to K \pi^\pm$ and $B \to K^\pm \pi^\mp$. A test for these effects based on the processes $B^\pm \to K^\pm K$ has been suggested. It is pointed out that the rates for the processes $B \to K^+ K^-$, which are expected to be {\it dominated} by rescattering and for which considerably better experimental bounds exist, are likely to provide a more stringent constraint on these effects.

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