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T-odd distributions like Sivers and Boer-Mulders functions are normallymodeled using few-body models. In the present work I want to follow thecompletely opposite point of view, and study a high-energy proton-protonDrell-Yan where both the annihilating partons are wee, and one (at least) comesfrom a high-order Fok state of the parent proton, i.e. a state where a largenumber N of partons is present. I show that rescattering between active andspectator partons is modified, with suppression of those terms that are neededto build T-odd parton distributions.

Suppression of contributions from large-parton-number Fok states to  T-odd distribution functions in Drell-Yan scattering involving small-x  annihilating quark and antiquark