We describe hard exclusive processes involving a transversally polarized rho meson in the twist 3 approximation, in a framework based on the Taylor expansion of the amplitude around the dominant light-cone direction.
@article{arxiv.0904.1482,
title = {QCD factorization beyond leading twist in exclusive rho(T) meson production},
author = {I. V. Anikin and D. Yu. Ivanov and B. Pire and L. Szymanowski and S. Wallon},
journal= {arXiv preprint arXiv:0904.1482},
year = {2009}
}
Comments
8 pages, 2 figures, proceedings of the Cracow Epiphany Conference on Hadron Interactions at the Dawn of LHC Era. Dedicated to the memory of Jan Kwiecinski. 5-7 January 2009