Lorentz invariance relations between parton distributions and the Wandzura-Wilczek approximation
High Energy Physics - Phenomenology
2010-04-28 v3
Abstract
The violation of the so-called Lorentz invariance relations between parton distribution functions is considered in a model independent way. It is shown that these relations are not violated in a generalized Wandzura-Wilczek approximation, indicating that numerically their violation may be small.
Keywords
Cite
@article{arxiv.0810.5212,
title = {Lorentz invariance relations between parton distributions and the Wandzura-Wilczek approximation},
author = {A. Metz and P. Schweitzer and T. Teckentrup},
journal= {arXiv preprint arXiv:0810.5212},
year = {2010}
}
Comments
13 pages, added references, minor changes, to appear in Phys. Lett. B