Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-07-17
AIP Conf.Proc.1182:614-618,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 5 figures, misprints corrected: To appear in the Proceedings of the 10th Conference on the Intersection of Particle a
Scientific paper
10.1063/1.3293884
It has been suggested that under certain approximations the Sivers effect can be described in terms of factorization of final state interactions and a spatial distortion of impact parameter space parton distribution; that is a convolution of the so-called lensing function and the impact parameter GPD $E$. In this approach the lensing function is calculated in a non-perturbative eikonal model. This enables a comparison between the a priori distinct Sivers function and the GPD $E$ which goes beyond the discussion of overall signs.
Gamberg Leonard
Schlegel Marc
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