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Measurement of the Color-Suppressed B0->D(*)0 pi0 /omega/eta/eta Prime Branching Fractions. The Babar Collaboration

机译:测量颜色抑制的B0-> D(*)0 pi0/ω/η/ eta prime支链分数。 Babar协作

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Weak decays of hadrons provide a straight access to the parameters of the CKM matrix and thus to the study of the CP violation. Gluon scattering in the final state (Final State Interactions, or FSI) can modify the decay dynamics and so must be well understood. The two-body hadronic decays with a charmed final state, B->Dh, are of great help in studying strong-interaction physics related with the confinement of quarks and gluons into hadrons. The decays B->Dh, where h is a light meson, can proceed through the emission of a W (+ or -) boson following three possible diagrams: external, internal or by a W (+ or -) boson exchange whose contribution is negligible.

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