Progress in resolving charge symmetry violation in nucleon structure

A. W. Thomas; P. E. Shanahan; R. D. Young

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Progress in resolving charge symmetry violation in nucleon structure

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arxiv 1312.4990 v1 pith:4PTO2BX7 submitted 2013-12-17 nucl-th

R. D. Young , P. E. Shanahan , A. W. Thomas This is my paper · ORCID

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Recent work unambiguously resolves the level of charge symmetry violation in moments of parton distributions using 2+1-flavor lattice QCD. We introduce the methods used for that analysis by applying them to determine the strong contribution to the proton-neutron mass difference. We also summarize related work which reveals that the fraction of baryon spin which is carried by the quarks is in fact structure-dependent rather than universal across the baryon octet.

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