Instanton Effects in Hadron Spectroscopy Revisited

Details Instanton Effects in Hadron Spectroscopy Revisited Instanton Effects in Hadron Spectroscopy Revisited

1999-08-31

arxiv.org/abs/hep-lat/9908055v1

Nucl.Phys.Proc.Suppl. 83 (2000) 500-502

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, LaTeX with 4 eps figures, LATTICE99(topology)

Scientific paper

We use an optimised clover action to study spectroscopy on an instanton ensemble reconstructed from smoothed Monte Carlo configurations. Due to the better chirality of the clover action, the artificial configurations show a marked difference from the free field behaviour obtained with the Wilson action. They however still fail to reproduce the physics observed on the smoothed configurations. The presence of freely propagating quark modes is found to be responsible for this.

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