Improvement via hypercubic smearing in triplet and sextet QCD

Details Improvement via hypercubic smearing in triplet and sextet QCD Improvement via hypercubic smearing in triplet and sextet QCD

2010-12-13

arxiv.org/abs/1012.2819v3

Phys.Rev.D83:097502,2011

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 2 figures; v3: The analysis has been extensively revised. Conclusions are the same. Final version

Scientific paper

10.1103/PhysRevD.83.097502

We study non-perturbative improvement in SU(3) lattice gauge theory coupled to fermions in the fundamental and two-index symmetric representations. Our lattice action is defined with hypercubic smeared links incorporated into the Wilson-clover fermion kernel. Using standard Schroedinger-functional techniques we estimate the clover coefficient Csw and find that discretization errors are much smaller than in thin-link theories.

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