Bs-Bs mixing with a chiral light quark action
D. Becirevic, B. Blossier, Ph. Boucaud, J. P. Leroy, A. Le Yaouanc, O. Pene
Abstract
We study the B0s-B0s mixing amplitude in Standard Model by computing the relevant hadronic matrix element in the static limit of lattice HQET with the Neuberger light quark action. In the quenched approximation, and after matching to the MS scheme in QCD, we obtain B MSBs(mb)=0.940(16)(22).
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