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- W2952399966 abstract "The difference of tau_{_B} and tau_{_{Lambda_b}} indicates the role of the light flavors. We calculate the lifetimes of B-meson and Lambda_b based on the weak effective Hamiltonian while assuming the heavy baryon is constructed by a heavy b-quark and a diquark containing two light quarks. In this scenario, we use the information of the measured ratio tau_{_{Lambda_b}}/tau_{_B} as input to predict rates of the inclusive weak decays of Sigma_{b}^{(*)} and Xi_{b}^{(*)} into non-bottom final states. We find that these rates of Sigma_{b}^{(*)} and Xi_{b}^{(*)} are much larger than that of B-mesons and Lambda_b. We also give the predictions for the lifetimes of Omega_b and Omega_{b}^{*}. Phenomenological implication of our result is discussed." @default.
- W2952399966 created "2019-06-27" @default.
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- W2952399966 date "1999-02-22" @default.
- W2952399966 modified "2023-10-18" @default.
- W2952399966 title "Non-Spectator Diquark Effects on Lifetimes of Lambda_b, Omega_{b}^{(*)} and Weak Decay Rates of Sigma_{b}^{(*)}, Xi_{b}^{(*)}" @default.
- W2952399966 hasPublicationYear "1999" @default.
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