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Scaling behavior and sea quark dependence of pion spectrum with HYP-smeared staggered fermions by Adams, David; Bae, Taegil; Kim, Hyung-Jin; Kim, Jongjeong; Kim, Kwangwoo; Yoon, Boram; Lee, Weonjong; Jung, Chulwoo; Sharpe, Stephen R. is a scholarly article available to read on EtoBox.

What is Scaling behavior and sea quark dependence of pion spectrum with HYP-smeared staggered fermions about?

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.

Author

Adams, David; Bae, Taegil; Kim, Hyung-Jin; Kim, Jongjeong; Kim, Kwangwoo; Yoon, Boram; Lee, Weonjong; Jung, Chulwoo; Sharpe, Stephen R.

Published

2008

Language

EN