Point-to-point Hadron Correlation Functions using the Sheikholeslami--Wohlert Action

Details Point-to-point Hadron Correlation Functions using the Sheikholeslami--Wohlert Action Point-to-point Hadron Correlation Functions using the Sheikholeslami--Wohlert Action

1994-12-13

arxiv.org/abs/hep-lat/9412065v1

Phys.Rev. D51 (1995) 6394-6402

Physics

High Energy Physics

High Energy Physics - Lattice

Shell archive with LaTeX2e source plus complete PostScript file of entire paper with 8 figures, compressed and uuencoded but s

Scientific paper

We calculate correlations between hadronic current operators as a function of their spatial separation, in a quenched lattice QCD simulation at $\beta=6.2$ on a $24^3\times48$ lattice. The lattice fermion formulation used is that due to Sheikholeslami and Wohlert. The correlation functions are then compared with the corresponding quantities calculated in the infinite volume chiral limit of the non-interacting theory. The ratio of the two quantities contains information on the vacuum structure of QCD. Results obtained are consistent with previous studies, and with known hadron phenomenology, although certain features of the fermion action used make it impossible to probe the $r\to0$ limit directly, thus limiting the accuracy possible.

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