B - parameters of the complete set of matrix elements of ∆ B = 2 operators from the lattice
نویسندگان
چکیده
We compute on the lattice the “bag” parameters of the five ∆B = 2 operators of the supersymmetric basis, by combining their values determined in full QCD and in the static limit of HQET. The extrapolation of the QCD results from the accessible heavy-light meson masses to the B-meson mass is constrained by the static result. The matching of the corresponding results in HQET and in QCD is for the first time made at NLO accuracy in the MS(NDR) renormalization scheme. All results are obtained in the quenched approximation. PACS: 11.15.Ha (Lattice gauge theory), 12.38.Gc (Lattice QCD calculations), 13.75Lb (Meson-meson interactions), 14.40.Nd (Bottom mesons), 12.39.Hg (Heavy quark effective theory)
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تاریخ انتشار 2001