O(a) improved lattice QCD

Details O(a) improved lattice QCD O(a) improved lattice QCD

1997-05-21

arxiv.org/abs/hep-lat/9705026v1

Nucl.Phys.Proc.Suppl. 60A (1998) 279-294

Physics

High Energy Physics

High Energy Physics - Lattice

15 pages, LaTeX, espcrc2.sty and figures included

Scientific paper

10.1016/S0920-5632(97)00490-8

We review the O(a) improvement of lattice QCD with special emphasis on the motivation for performing the improvement programme non-perturbatively and the general concepts of on-shell improvement. The present status of the calculations of various improvement coefficients (perturbative and non-perturbative) is reviewed, as well as the computation of the isospin current normalization constants $Z_A$ and $Z_V$. We comment on recent results for hadronic observables obtained in the improved theory.

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