SPECIAL ISSUE — Chiral Symmetry in Hadrons and Nuclei; Guest Editors: Li-Sheng Geng, Jie Meng, Qiang Zhao and Bing-Song ZouNo Access
Progress in resolving charge symmetry violation in nucleon structure
https://doi.org/10.1142/S0218301314610102Cited by:0 (Source: Crossref)
Abstract
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.
Based on a plenary talk presented at the Seventh International Symposium on Chiral Symmetry in Hadrons and Nuclei, Beijing, China, 27–30 October 2013.
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