Gauge Invariant Smearing and Matrix Correlators using Wilson Fermions at beta=6.2

Details Gauge Invariant Smearing and Matrix Correlators using Wilson Fermions at beta=6.2 Gauge Invariant Smearing and Matrix Correlators using Wilson Fermions at beta=6.2

1992-11-13

arxiv.org/abs/hep-lat/9211039v1

Phys. Rev. D47 (1993) 5128-5137

Physics

High Energy Physics

High Energy Physics - Lattice

at lattice `92. 4 pages latex + 3 postscript figures. Edinburgh preprint: 92/515

Scientific paper

We present an investigation of gauge invariant smearing for Wilson fermions on a $24^3 \times 48$ lattice at $\beta = 6.2$. We demonstrate a smearing algorithm that allows a substantial improvement in the determination of the baryon spectrum obtained using propagators smeared at both source and sink, at only a small computational cost. We investigate the matrix of correlators constructed from local and smeared operators, and are able to expose excited states of both the mesons and baryons.

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