Signal for CP violation in $B^{\pm} \to P {\bar P} π^{\pm}$ decays

Details Signal for CP violation in $B^{\pm} \to P {\bar P} π^{\pm}$ decays Signal for CP violation in $B^{\pm} \to P {\bar P} π^{\pm}$ decays

1998-07-21

arxiv.org/abs/hep-ph/9807441v1

Nucl.Phys.Proc.Suppl.75B:294,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, latex, no figures, Talk given by S. Fajfer at the Hyperons, Charm and Beauty Hadrons, Genova, Italy, 30 June -3 July

Scientific paper

10.1016/S0920-5632(99)00367-9

We analyze the partial rate asymmetry in $B^{\pm} \to P {\bar P} \pi^{\pm}$ decays ($ P = \pi^+, K ^+, \pi^0, \eta$) which results from the interference of the nonresonant decay amplitude and the resonant amplitude for $B^{\pm} \to \chi_{c0} \pi^{\pm} $ followed by the decay $\chi_{c0} \to P {\bar P} $. The CP violating phase $\gamma$ can be extracted from the measured asymmetry. We find that the partial rate asymmetry for $B^\pm \to \pi^+ \pi^- \pi^\pm$ is $0.33~sin \gamma$, while for $B^\pm \to K^+ K^-\pi^\pm$ it amounts $0.45~ sin \gamma$.

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