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Understanding Parton Distributions from Lattice QCD: Present Limitations and Future Promise
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hep-lat
keywords
distributionsexperimentapparentbeencalculatedchiralcloudcomparison
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This talk will explain how ground state matrix elements specifying moments of quark density and spin distributions in the nucleon have been calculated in full QCD, show how physical extrapolation to the chiral limit including the physics of the pion cloud resolves previous apparent conflicts with experiment, and describe the computational resources required for a definitive comparison with experiment.
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