Matching coefficients for improved staggered bilinears

Details Matching coefficients for improved staggered bilinears Matching coefficients for improved staggered bilinears

2002-08-21

arxiv.org/abs/hep-lat/0208036v2

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2002(improve) 3 pages, no figures

Scientific paper

10.1016/S0920-5632(03)01558-5

We calculate one-loop matching factors for bilinear operators composed of improved staggered fermions. We compare the results for different improvement schemes used in the recent literature, including the HYP action and an action close to the Asqtad action. We find that all improvement schemes substantially reduce the size of the one-loop contributions to matching factors. The resulting corrections are comparable to, or smaller than, those found with Wilson and domain-wall fermions.

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