Nucleon structure from mixed action calculations using 2+1 flavors of asqtad sea and domain wall valence fermions

Details Nucleon structure from mixed action calculations using 2+1 flavors of asqtad sea and domain wall valence fermions Nucleon structure from mixed action calculations using 2+1 flavors of asqtad sea and domain wall valence fermions

2010-01-20

arxiv.org/abs/1001.3620v2

Phys.Rev.D82:094502,2010

Physics

High Energy Physics

High Energy Physics - Lattice

68 pages, 47 figures. Main revision points: improved discussion of chiral fits and systematic uncertainties, several minor ref

Scientific paper

10.1103/PhysRevD.82.094502

We present high statistics results for the structure of the nucleon from a mixed-action calculation using 2+1 flavors of asqtad sea and domain wall valence fermions. We perform extrapolations of our data based on different chiral effective field theory schemes and compare our results with available information from phenomenology. We discuss vector and axial form factors of the nucleon, moments of generalized parton distributions, including moments of forward parton distributions, and implications for the decomposition of the nucleon spin.

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