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arxiv: 0910.3816 · v1 · submitted 2009-10-20 · ✦ hep-lat

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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
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Harvey B. Meyer Bernhard Musch John W. Negele Kostas Orginos Andrew V. Pochinsky Massimiliano Procura Dru B. Renner David G. Richards Sergey N. Syritsyn Andre P. Walker-Loud
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classification ✦ hep-lat
keywords factorsformnucleonresultsactionapproximatelyaxialcalculations
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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.

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