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UNIVERSALITY IN THE ELECTROPRODUCTION OF VECTOR MESONS

V. L. BALTAR

Departamento de Física, Pontifícia Universidade Católica do Rio de Janeiro, Rio de Janeiro 22453-900, RJ, Brazil

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H. G. DOSCH

Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 16, D-6900 Heidelberg, Germany

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, and

E. FERREIRA

Instituto de Física, Universidade Federal do Rio de Janeiro, C.P. 68528, Rio de Janeiro 21941-972, RJ, Brazil

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https://doi.org/10.1142/S0217751X11053286Cited by:1 (Source: Crossref)

Abstract

We study universality in the data of the electroproduction of vector mesons, using as guideline the results of a unified nonperturbative approach which reproduces well the available experimental data. After the extraction of factors that are specific of each vector meson, we arrive at a reduced integrated elastic cross-section which is universal. Our analysis suggests a finite infrared behavior for the strong coupling constant.

Keywords:

PACS: 12.38.Lg, 13.60.Le

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