Photoabsorption sum rules and quark structure parameters of hadrons

Details Photoabsorption sum rules and quark structure parameters of hadrons Photoabsorption sum rules and quark structure parameters of hadrons

2000-12-26

arxiv.org/abs/hep-ph/0012339v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex, 8 pages, no figures; Talk at the International Conference "Hadron Structure 2000", Stara Lesna, High Tatra Mountains, S

Scientific paper

Following the idea of the quark-hadron duality we present, within the constituent quark model approach, the relations between different bremsstrahlung-weihgted integrals of the nucleon resonance photoexcitation cross sections and correlation functions of the quark dipole moments in the nucleon ground state. These functions are of interest for checking detailed quark-configuration structure of the nucleon state vector. Some applications of this approach in meson sector are made and the role of meson degrees of freedom in the electromagnetic baryon observables is briefly discussed.

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