A non-perturbative calculation of the mass of the Bc
UKQCD Collaboration, H. P. Shanahan, P. Boyle, C. T. H. Davies, H. Newton
Abstract
We present a calculation of the mass of the 1S0 pseudoscalar anti-b c (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 etab.
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