Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-05-09
Phys.Rev.D84:054004,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
20 pages, 11 figures, published version in PRD
Scientific paper
10.1103/PhysRevD.84.054004
We apply a previously developed scheme to consistently include the twist-3 distribution amplitudes for transversely polarized rho meson in order to evaluate, in the framework of kT factorization, the helicity amplitudes for exclusive leptoproduction of a light vector meson, at leading order in alphaS. We compare our results with high energy experimental data for the ratios of helicity amplitudes T11/T00 and T01/T00 and get a good description of the data.
Anikin I. V.
Besse A.
Ivanov Dmitri Yu.
Pire Bernard
Szymanowski Lech
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