I-spin, U-spin, and penguin dominance in $B \to K K \bar K$

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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9 pages, LaTeX, no figures, to be submitted to Physics Letters B. Revision of earlier version, new title

Scientific paper

10.1016/S0370-2693(03)00702-0

Isospin and U-spin symmetries are useful approximations for studying penguin dominance in $B$ meson decays to three kaons, $B\to KK\bar K$. We point out certain subtleties in treating these decays in these approximations. Resulting uncertainties are discussed in determining the CP content of the final state in $B \to K^+K^-K_S$, and in relating the CP asymmetry in this process to the value of $\sin 2\beta$.

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