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We perform the global analysis of polarized Semi-Inclusive Deep InelasticScattering (SIDIS), pion-induced polarized Drell-Yan (DY), and $W^\pm/Z$ bosonproduction data and extract the Sivers function for $u$, $d$, $s$ and forsea-quarks. We use the framework of transverse momentum dependent factorizationat N$^3$LO accuracy. The Qiu-Sterman function is determined in amodel-independent way from the extracted Sivers function. We also evaluate thesignificance of the predicted sign change of Sivers function in DY with respectto SIDIS.

N$^3$LO extraction of the Sivers function from SIDIS, Drell-Yan, and $W^\pm/Z$ data