Author/Authors :
H.P. Shanahan، نويسنده , , P. Boyle، نويسنده , , C.T.H. Davies، نويسنده , , Richard H. Newton and Keith M. Meek، نويسنده , , UKQCD Collaboration، نويسنده ,
Abstract :
We present a calculation of the mass of the 1S0 pseudoscalar bc(Bc) state using a non-perturbative measurement from quenched lattice QCD. We find MBC = 6.386(9)(98)(15) GeV where the first error is statistical, the second systematic due to the quark mass ambiguities and quenching and the third the systematic error due to the estimation of mass of the ηb.