Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-09-20
Eur.Phys.J.C18:539-545,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 5 figures, 1 table
Scientific paper
10.1007/s100520100545
A two-gluon-exchange model incorporating perturbative and non-perturbative effects is presented for rho electroproduction which provides an excellent description of all current data. This is then used to calculate the contribution from the rho to deeply virtual Compton scattering via the vector-meson-dominance transition rho -> gamma. This is found to be sufficiently large to provide a significant contribution through interference with the perturbative QCD term.
Donnachie Alexander
Gravelis J.
Shaw Gargi
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