Anomalous f_1 exchange in vector meson photoproduction asymmetries
Abstract
We perform an analysis of the elastic production of vector mesons with polarized photon beams at high energy in order to investigate the validity of a recently proposed dynamical mechanism based on the dominance of the f_1 trajectory at large momentum transfer. The density matrix characterizing the angular distributions of the vector meson decays is calculated within an exchange model which includes the Pomeron and the f_1. The asymmetries of these decays turn out to be very useful to disentangle the role of these exchanges since their effect depends crucially on their quantum numbers which are different. The observables analyzed are accessible with present experimental facilities.
Keywords
Cite
@article{arxiv.hep-ph/0001209,
title = {Anomalous f_1 exchange in vector meson photoproduction asymmetries},
author = {Yongseok Oh and Nikolai I. Kochelev and Dong-Pil Min and Vicente Vento and Andrey V. Vinnikov},
journal= {arXiv preprint arXiv:hep-ph/0001209},
year = {2009}
}
Comments
10 pages, REVTeX, 4 figures, some figures are corrected, conclusions unchanged