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Kinematically complete analysis of the CLAS data on the proton structure Function F2 in a Regge-Dual model
Fiore, Roberto; Flachi, A.; Jenkovszky, Lázsló L.; Lengyel, A.I.; Magas, V. K.
Universitat de Barcelona
The recently measured inclusive electron-proton cross section in the nucleon resonance region, performed with the CLAS detector at the Thomas Jefferson Laboratory, has provided new data for the nucleon structure function F2 with previously unavailable precision. In this paper we propose a description of these experimental data based on a Regge-dual model for F2. The basic inputs in the model are nonlinear complex Regge trajectories producing both isobar resonances and a smooth background. The model is tested against the experimental data, and the Q2 dependence of the moments is calculated. The fitted model for the structure function (inclusive cross section) is a limiting case of the more general scattering amplitude equally applicable to deeply virtual Compton scattering. The connection between the two is discussed.
2010-05-11
Partícules (Física nuclear)
Protons
Teoria de Regge
Particles (Nuclear physics)
Protons
Regge theory
(c) The American Physical Society, 2004
Article
The American Physical Society
         

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