SCRI Results With the Tadpole-Improved Clover Action

Details SCRI Results With the Tadpole-Improved Clover Action SCRI Results With the Tadpole-Improved Clover Action

1997-10-03

arxiv.org/abs/hep-lat/9710021v1

Nucl.Phys.Proc.Suppl.60A:34-42,1998

Physics

High Energy Physics

High Energy Physics - Lattice

Talk presented at the International Workshop on Lattice QCD On Parallel Computers, University of Tsukuba, March 10-15 1997. 9

Scientific paper

10.1016/S0920-5632(97)00464-7

We compare light hadron spectroscopy using the Wilson and Clover fermionic actions. We show that a Clover coefficient chosen using tadpole-improved tree-level perturbation theory effectively eliminates the O(a) discretization errors present in the Wilson action. We find that discretization errors in light spectroscopy for both the Wilson and Clover actions are characterized by an energy scale mu of about 200-300 MeV, indicating that these errors can be reduced to the 5% level by using the Clover action at an inverse lattice spacing of about 1.3 GeV.

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