Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2006-10-03
PoSLAT2006:118,2006
Physics
High Energy Physics
High Energy Physics - Lattice
7 pages, 4 figures, talk presented at Lattice 2006, Tucson, Arizona, to be published in PoS(LAT2006)118; replaced Figure 3 wit
Scientific paper
We report RBC and RBC/UKQCD lattice QCD numerical calculations of nucleon electroweak matrix elements with dynamical domain-wall fermions (DWF) quarks. The first, RBC, set of dynamical DWF ensembles employs two degenerate flavors of DWF quarks and the DBW2 gauge action. Three sea quark mass values of 0.04, 0.03 and 0.02 in lattice units are used with about 200 gauge configurations each. The lattice cutoff is about 1.7 GeV and the spatial volume is about (1.9 fm)^3. Despite the small volume, the ratio of the isovector vector and axial charges g_A/g_V and that of structure function moments
Lin Huey-Wen
Ohta Shigemi
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