arXiv:1209.0682 [hep-ph]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords next-to-next-to-leading order, quark-to-quark case, quark-to-quark transverse parton distribution function, perturbative quark-to-quark transverse parton distribution, gauge invariant operator definition Tags journal article Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset