Results on improved KS dynamical configurations: Spectrum, decay constants, etc
Oct, 200310 pages
Part of Lattice hadron physics. Proceedings, 2nd Topical Workshop, LHP 2003, Cairns, Australia, July 22-30, 2003, Lattice field theory. Proceedings, 21st International Symposium, Lattice 2003, Tsukuba, Japan, July 15-19, 2003
Published in:
- Nucl.Phys.B Proc.Suppl. 128 (2004) 72-81,
- Nucl.Phys.B Proc.Suppl. 129 (2004) 17-26
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- hep-lat/0310041 [hep-lat]
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Abstract:
The MILC Collaboration has been producing ensembles of lattice configurations with three dynamical flavors for the past few years. There are now results for three lattice spacings for a variety of light and strange quark masses, ranging down to , where is the dynamical strange quark mass and is the common mass of the and quarks. Recently, the Fermilab, HPQCD, MILC and UKQCD collaborations have presented a summary of results obtained using these lattices. Compared with quenched results, these new calculations show great improvement in agreement with experiment. This talk addresses the technical improvements that make these calculations possible and provides additional details of calculations not presented in the initial summary. We demonstrate that a wide range of hadronic observables can now be calculated to 2--3% accuracy.- talk: Cairns 2003/07/22
- talk: Tsukuba 2003/07/15
- fermion: lattice field theory
- gauge field theory: SU(3)
- approximation: quenching
- quark: mass
- nucleon: mass
- pi: mass
- K: mass
- K: decay constant
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