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Strangeness in the Nucleon or the quark model beyond the valence approximation

By Nathan Isgur

Abstract

Simple arguments based on unitarity indicate that meson loops diagrams, induced by an underlying qq pair creation process, should badly disturb the phenomenologically successful spectroscopy and dynamics of the valence quark model, including such simple but mysterious regularities as the OZI rule. The author discusses some recent progress in adding pair creation to the valence quark model in a way which provides rationale for the quark model's success

Topics: Quark Model, Strangeness, Unitarity, Mesons, 72 Physics Of Elementary Particles And Fields, Nucleons, Pair Production
Publisher: Thomas Jefferson National Accelerator Facility (U.S.)
Year: 1999
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Provided by: UNT Digital Library
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