Impact Parameter Dependent Parton Distributions and Transverse Single Spin Asymmetries
High Energy Physics - Phenomenology
2008-11-26 v2
Abstract
Generalized parton distributions (GPDs) with purely transverse momentum transfer can be interpreted as Fourier transforms of the distribution of partons in impact parameter space. The helicity-flip GPD is related to the distortion of parton distribution functions in impact parameter space if the target is not a helicity eigenstate, but has some transverse polarization. This transverse distortion can be used to develop an intuitive explanation for various transverse single spin asymmetries.
Keywords
Cite
@article{arxiv.hep-ph/0209179,
title = {Impact Parameter Dependent Parton Distributions and Transverse Single Spin Asymmetries},
author = {Matthias Burkardt},
journal= {arXiv preprint arXiv:hep-ph/0209179},
year = {2008}
}
Comments
revised version, to appear in PRD