TY  - CONF
AU  - Scholz, Enno E.
AU  - Borsanyi, Szabolcs
AU  - Durr, Stephan
AU  - Fodor, Zoltan
AU  - Krieg, Stefan
AU  - Schafer, Andreas
AU  - Szabo, Kalman K.
TI  - Determination of SU(2) ChPT LECs from 2+1 flavor staggered lattice simulations
JO  - Proceedings of Science
VL  - Confinement X
SN  - 1824-8039
CY  - Trieste
PB  - SISSA
M1  - FZJ-2013-06584
SP  - 111
PY  - 2013
N1  - arXiv:1301.7557
AB  - By fitting pion masses and decay constants from 2+1 flavor staggered lattice simulations to the predictions of NLO and NNLO SU(2) chiral perturbation theory we determine the low-energy constants l_3 and l_4. The lattice ensembles were generated by the Wuppertal-Budapest collaboration and cover pion masses in the range of 135 to 435 MeV and lattice scales between 0.7 and 2.0 GeV. By choosing a suitable scaling trajectory, we were able to demonstrate that precise and stable results for the LECs can be obtained from continuum ChPT to NLO. The pion masses available in this work also allow us to study the applicability of using ChPT to extrapolate from higher masses to the physical pion mass.
T2  - 10th Conference on Quark Confinement and the Hadron Spectrum (Confinement X)
CY  - 8 Oct 2012 - 12 Oct 2012, Munich (Germany)
Y2  - 8 Oct 2012 - 12 Oct 2012
M2  - Munich, Germany
LB  - PUB:(DE-HGF)16 ; PUB:(DE-HGF)8
UR  - https://juser.fz-juelich.de/record/141404
ER  -