TY - JOUR
T1 - SU(2) chiral perturbation theory low-energy constants from staggered 2+1 flavor simulations
AU - Scholz, Enno E.
AU - Borsányi, Szabolcs
AU - Dürr, Stephan
AU - Fodor, Zoltán
AU - Katz, Sandor D.
AU - Krieg, Stefan
AU - Schäfer, Andreas
AU - Szabo, Kalman K.
N1 - Publisher Copyright:
© Copyright owned by the author(s).
PY - 2011
Y1 - 2011
N2 - We measure the pion mass and decay constant on ensembles generated by the Wuppertal-Budapest Collaboration, and extract the NLO low-energy constants l¯ 3 and l¯ 4 of SU(2) chiral perturbation theory. The data are generated in 2+1 flavor simulations with Symanzik glue and 2-fold stout-smeared staggered fermions, with pion masses varying from 135 MeV to 400 MeV, lattice scales between 0.7 GeV and 2.0 GeV, and ms kept at its physical value. Furthermore, by excluding the lightest mass points, we are able to test the reliability of SU(2) chPT as a tool to extrapolate towards the physical point from higher pion masses.
AB - We measure the pion mass and decay constant on ensembles generated by the Wuppertal-Budapest Collaboration, and extract the NLO low-energy constants l¯ 3 and l¯ 4 of SU(2) chiral perturbation theory. The data are generated in 2+1 flavor simulations with Symanzik glue and 2-fold stout-smeared staggered fermions, with pion masses varying from 135 MeV to 400 MeV, lattice scales between 0.7 GeV and 2.0 GeV, and ms kept at its physical value. Furthermore, by excluding the lightest mass points, we are able to test the reliability of SU(2) chPT as a tool to extrapolate towards the physical point from higher pion masses.
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M3 - Conference article
AN - SCOPUS:85053350931
SN - 1824-8039
VL - 139
JO - Proceedings of Science
JF - Proceedings of Science
T2 - 29th International Symposium on Lattice Field Theory, Lattice 2011
Y2 - 10 July 2011 through 16 July 2011
ER -