Hadron Structure: the fundamental physics to Access via GPDs

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An introductory review of generalized parton distributions (GPDs) is given. The structure of hadrons is the fundamental physics to be accessed via GPDs. GPDs describe hadronic structure on the quark-gluon level and provide a 3-dimensional picture (''tomography'') of hadronic structure. GPDs adequately reflect the quantum-field nature of QCD (correlations, interference). They also provide new insights into spin structure of hadrons (spin-flip distributions, orbital angular momentum). GPDs are sensitive to chiral symmetry breaking effects, a fundamental property of QCD. Furthermore, GPDs unify existing ways of describing hadronic structure. The GPD formalism provides nontrivial relations between different exclusive reactions and also between ... continued below

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191 Kilobytes pages

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Radyushkin, Anatoly April 1, 2002.

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Description

An introductory review of generalized parton distributions (GPDs) is given. The structure of hadrons is the fundamental physics to be accessed via GPDs. GPDs describe hadronic structure on the quark-gluon level and provide a 3-dimensional picture (''tomography'') of hadronic structure. GPDs adequately reflect the quantum-field nature of QCD (correlations, interference). They also provide new insights into spin structure of hadrons (spin-flip distributions, orbital angular momentum). GPDs are sensitive to chiral symmetry breaking effects, a fundamental property of QCD. Furthermore, GPDs unify existing ways of describing hadronic structure. The GPD formalism provides nontrivial relations between different exclusive reactions and also between exclusive and inclusive processes.

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191 Kilobytes pages

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  • European Workshop On The QCD Structure Of The Nucleon (QCD-N'02), Ferrara (IT), 04/03/2002--04/06/2002

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  • Report No.: JLAB-THY-02-27
  • Report No.: DOE/ER/40150-2113
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 796876
  • Archival Resource Key: ark:/67531/metadc741843

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  • April 1, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • Feb. 5, 2016, 8:49 p.m.

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Radyushkin, Anatoly. Hadron Structure: the fundamental physics to Access via GPDs, article, April 1, 2002; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc741843/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.