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

Autor:	LHPC Collaboration, Bratt, Jonathan D., Edwards, Robert G., Engelhardt, Michael, Hagler, Philipp, Lin, Huey-Wen, Lin, Mei-Feng, Meyer, Harvey B., Musch, Bernhard, Negele, John W., Orginos, Kostas, Pochinsky, Andrew V., Procura, Massimiliano, Richards, David G., Schroers, Wolfram, Syritsyn, Sergey N.
Rok vydání:	2010
Předmět:	High Energy Physics - Lattice High Energy Physics - Phenomenology
Zdroj:	Phys.Rev.D82:094502,2010
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevD.82.094502
Popis:	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. Comment: 68 pages, 47 figures. Main revision points: improved discussion of chiral fits and systematic uncertainties, several minor refinements. Accepted for publication in Phys.Rev. D
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1001.3620 Zobrazit plný text záznamu View this record from Arxiv