期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP02(2015)043
关键词
Lattice QCD; Lattice Gauge Field Theories
资金
- Swiss National Supercomputing Centre (CSCS) [s384]
- German Federal Ministry of Education and Research (BMBF)
- German State Ministries for Research of Baden-Wurttemberg (MWK)
- Bayern (StMWFK)
- Nordrhein-Westfalen (MIWF)
- Deutsche Forschungsgemeinschaft (DFG) [SFB/TR 09]
- MIUR-PRIN contract [20093BMNNPR, 2010YJ2NYW]
- Spanish MINECO through the Ramon y Cajal Programme [FPA2012-31686]
- Centro de excelencia Severo Ochoa Program [SEV-2012-0249]
- DFG [SFB 1044]
- INFN SUMA project
- Hadron Physics from Lattice QCD [SFB/TRR-55]
- EU grant [PIRG07-GA-2010-268367]
We describe a new set of gauge configurations generated within the CLS effort. These ensembles have N-f = 2 + 1 flavors of non-perturbatively improved Wilson fermions in the sea with the Luscher-Weisz action used for the gluons. Open boundary conditions in time are used to address the problem of topological freezing at small lattice spacings and twisted-mass reweighting for improved stability of the simulations. We give the bare parameters at which the ensembles have been generated and how these parameters have been chosen. Details of the algorithmic setup and its performance are presented as well as measurements of the pion and kaon masses alongside the scale parameter t(0).
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