期刊
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS
卷 406, 期 3-4, 页码 127-301出版社
ELSEVIER
DOI: 10.1016/j.physrep.2004.10.004
关键词
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The duality between partonic and hadronic descriptions of physical phenomena is one of the most remarkable features of strong interaction physics. A classic example of this is in electron-nucleon scattering, in which low-energy cross sections, when averaged over appropriate energy intervals, are found to exhibit the scaling behavior expected from perturbative QCD. We present a comprehensive review of data on structure functions in the resonance region. from which the global and local aspects of duality are quantified. including its flavor. spin and nuclear medium dependence. To interpret the experimental findings, we discuss various theoretical approaches which have been developed to understand the microscopic origins of quark-hadron duality in QCD. Examples from other reactions are used to place duality in a broader context, and future experimental and theoretical challenges are identified. (C) 2004 Elsevier B.V. All rights reserved.
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