Masses and decay constants of the light mesons in the quenched approximation using the tadpole--improved SW-clover action
Chris Michael, Hugh Shanahan, UKQCD collaboration
Abstract
We present results for the masses and decay constants of the light mesons in quenched QCD using the standard gluon action and a tadpole--improved SW--clover fermionic action to reduce discretisation errors. The calculation has been carried out at fixed volume and three lattice spacings corresponding to β=5.7, 6.0 and 6.2. We make comparisons with the conventional SW--clover scheme. We use our results to extract continuum limits and to quantify the size of discretisation errors at smaller β-values.
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