Eur. Phys. J. A 15, 505-515 (2002)
DOI: 10.1140/epja/i2002-10047-3

Explicit model realizing parton-hadron duality

R. Fiore¹, A. Flachi², L.L. Jenkovszky³, A.I. Lengyel⁴ and V.K. Magas<sup>3, 5

1</sup>  Dipartimento di Fisica, Università della Calabria & INFN-Cosenza, I-87036 Arcavacata di Rende, Cosenza, Italy
²  IFAE, Universidad Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
³  Bogolyubov Institute for Theoretical Physics, Academy of Sciences of Ukraine, Metrologicheskaya st. 14b, 01143 Kiev, Ukraine
⁴  Institute of Electron Physics, Universitetska 21, UA-88000 Uzhgorod, Ukraine
⁵  Center for Physics of Fundamental Interactions, Instituto Superior Tecnico, Av. Rovisco Pais, 1049-001 Lisbon, Portugal

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(Received: 7 June 2002 / Published online: 10 December 2002)

Abstract
An explicit model realizing parton-hadron duality and fitting the data is suggested. Complex nonlinear Regge trajectories are important ingredients of the model. The inclusion of and N^* trajectories should account for all resonances in the direct channel. The exotic trajectory is responsible for the smooth background.

PACS
12.40.Nn - Regge theory, duality, absorptive/optical models.
13.60.Hb - Total and inclusive cross-sections (including deep-inelastic processes).

© Società Italiana di Fisica, Springer-Verlag 2002