Positivity bounds for Sivers functions
High Energy Physics - Phenomenology
2011-01-27 v2
Abstract
We generalize a positivity constraint derived initially for parity-conserving processes to the parity-violating ones, and use it to derive non-trivial bounds on several Sivers functions, entering in the theoretical description of single spin asymmetry for various processes.
Cite
@article{arxiv.1003.4913,
title = {Positivity bounds for Sivers functions},
author = {Zhong-Bo Kang and Jacques Soffer},
journal= {arXiv preprint arXiv:1003.4913},
year = {2011}
}
Comments
6 pages, version to appear in PLB