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- W2377644402 abstract "B, Bs, D and Ds transitions except those inio final stare light pseudoscalar mesons are systematically studied in a relativistic constituent quark model based on the BS formalism and the exclusive semileptonic and two-body nonleptonic weak decay widths of these heavy mesons are calculated. Both of the form factrs and their slopes at zero-recoil point for B and Bs transitions into charmed mesons are consistent with HQET Branching fractions for all the semileptonic decays are in good agreement with data, those for the nonleptonic decays of B and Bs mesons are in agreement with data where available within a factor of two. However, the calculated form factors for transitions with final states being light vector mesons deviate HQS a lot. For D and Ds mesons, the nonleptonic decay branching ratios do not respect data. The results mny imply that our approaches and model can be used to describe both heavy mesons and ligh vector mesons, and the factorization scheme is much less applicable in D and Ds decays than in B and Bs decays." @default.
- W2377644402 created "2016-06-24" @default.
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- W2377644402 date "2001-01-01" @default.
- W2377644402 modified "2023-09-24" @default.
- W2377644402 title "A Systematic Study of Heavy Meson Weak Decays" @default.
- W2377644402 hasPublicationYear "2001" @default.
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