B decays into pion-pion-kaon and into kaon-antikaon-kaon: long distance and final-state effects
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✦ hep-ph
keywords
kaon-antikaon-kaonpion-pionpion-pion-kaonadditionagreementamplitudesanalyzedapproach
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The interplay of strong and weak decay amplitudes for B -> pion-pion-kaon and B -> kaon-antikaon-kaon, with the pion-pion and kaon-antikaon pairs interacting in isospin-0 S-wave, is analyzed for pion-pion effective mass from threshold to 1.2 GeV. To improve agreement with experiment of a factorization approach with some QCD corrections, addition of long-distance contributions, called charming penguins is necessary.
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