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. Magas3, 51 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
fiore@cs.infn.it
flachi@ifae.es
jenk@gluk.org
sasha@len.uzhgorod.ua
vladimir@cfif.ist.utl.pt
(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.
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