arXiv:0910.3816·v1·High Energy Physics — Lattice
Nucleon form factors from high statistics mixed-action calculations with 2+1 flavors
LHPC Collaboration: Wolfram Schroers🇹🇼 · Jonathan D. Bratt🇺🇸 · Robert G. Edwards🇺🇸 · Michael Engelhardt🇺🇸 · George Taminga Fleming🇺🇸 · Philipp Hagler🇩🇪 · Huey-Wen Lin🇺🇸 · Mei-Feng Lin🇺🇸 · Harvey B. Meyer🇺🇸 · Bernhard Musch🇩🇪 · John W. Negele🇺🇸 · Kostas Orginos🇺🇸
Abstract
We present new high-statistics results for nucleon form factors at pion masses of approximately 290, 350, 500, and 600 MeV using a mixed action of domain wall valence quarks on an improved staggered sea. We perform chiral fits to both vector and axial form factors and compare our results to experiment.
Comments: 7 pages, 4 figures; contribution to the proceedings of the XXVII International Symposium on Lattice Field Theory - LAT2009, July 26-31, 2009, Peking University, Beijing, China. To appear as PoS(LAT2009)142