Extension of the Buchalla-Safir bound
classification
✦ hep-ph
keywords
boundbuchalla-safirapplyassumedbellecasedataderivation
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I provide a simple derivation of the Buchalla-Safir bound on gamma. I generalize it to the case where an upper bound on the phase of the penguin pollution is assumed. I apply the Buchalla-Safir bound, and its generalization, to the recent Belle data on CP violation in B --> pi+ pi-.
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