出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要: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 BMS
Bs (mb) =
0:940(16)(22).