Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-11-14
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 1 figure; To appear in the proceedings of Diffraction 2008: International Workshop on Diffraction in High-Energy Phys
Scientific paper
10.1063/1.3122219
We evaluate the impact factor of the transition gamma* -> rhoT taking into account the twist 3 contributions. We show that a gauge invariant expression is obtained with the help of QCD equations of motion. Our results are free of end-point singularities. This opens the way to a consistent treatment of factorization for exclusive processes with a transversally polarized vector meson.
Anikin I. V.
Ivanov Dmitri Yu.
Pire Bernard
Szymanowski Lech
Wallon Samuel
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