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B decays into pion-pion-kaon and into kaon-antikaon-kaon: long distance and final-state effects

By B. Loiseau, A. Furman, R. Kaminski and L. Lesniak


5 pages, 1 figure, invited talk at the Third Asia-Pacific Conference on Few-Body Problems in Physics (APFB05), Nakhon Ratchassima, Thailand, July 26-30, 2005, to be published by the Scientific World Publishing CoThe 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

Topics: [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph]
Publisher: World Scientific
Year: 2005
OAI identifier: oai:HAL:in2p3-00149763v1
Provided by: Hal-Diderot
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