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Scaling behavior and sea quark dependence of pion spectrum with HYP-smeared staggered fermions
- Source :
- PoS LATTICE2008:104,2008
- Publication Year :
- 2008
-
Abstract
- We study the pion spectrum (and in particular taste-symmetry breaking within it) using HYP-smeared valence staggered fermions on the coarse and fine MILC lattices (which have asqtad staggered sea quarks). We focus on the dependence on lattice spacing and sea-quark mass. We also update our results on source dependence. Our main conclusion is that on the MILC fine lattices the appropriate power-counting for SU(3) staggered chiral perturbation theory may have discretization errors entering at next-to-leading order rather than at leading-order.<br />Comment: 7 pages, 8 figures, Lattice 2008 proceeding
- Subjects :
- High Energy Physics - Lattice
Subjects
Details
- Database :
- arXiv
- Journal :
- PoS LATTICE2008:104,2008
- Publication Type :
- Report
- Accession number :
- edsarx.0809.1219
- Document Type :
- Working Paper