Accurate hadron spectroscopy on blocked configurations by tadpole-renormalized, clover-improved Wilson quark action
Artan Borici, Philippe de Forcrand
Abstract
We compare the quenched hadron spectrum on blocked and unblocked lattices for the Wilson quark action, the clover action and the tadpole-improved clover action. The latter gives a spectrum markedly closer to the original one, even though the cutoff is 1/a ~ 500 Mev.
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