Nonforward parton distributions of the p
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I.V. Anikin; A.E. Dorokhov; A.E. Maximov; L. Tomio; V. Vento
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Article
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2000
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Elsevier Science
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English
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We develop a relativistic quark model for pion structure, which incorporates the nontrivial structure of the vacuum of quantum chromodynamics as modelled by instantons. Pions are bound states of quarks and the strong quark-pion vertex is determined from an instanton induced effective Lagrangian. The