Nuclear exclusive vector meson photoproduction |
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| Authors: | V. P. Gonçalves M. V. T. Machado |
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| Affiliation: | (1) Instituto de Física e Matemática, Universidade Federal de Pelotas, Caixa Postal 354, CEP 96010-090 Pelotas, RS, Brazil;(2) Unidade de Bento Gonçalves, Universidade Estadual do Rio Grande do Sul - UERGS, CEP 95700-000 Bento Gonçalves, RS, Brazil;(3) High Energy Physics Phenomenology Group, GFPAE IF-UFRGS, Caixa Postal 15051, CEP 91501-970 Porto Alegre, RS, Brazil |
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| Abstract: | We calculate the nuclear cross section for vector meson exclusive photoproduction within the QCD color dipole picture and in the Regge approach. For the former approach, we have considered the phenomenological saturation model, whereas for the latter we use a model based on the dipole pomeron framework. Theoretical estimates for scattering on both light and heavy nuclei are given over a large range of energy.Received: 17 April 2004, Revised: 21 September 2004, Published online: 18 November 2004 |
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