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Extraction of the Sivers Function from SIDIS, Drell-Yan, and W±/Z Data at Next-to-Next-to-Next-to Leading Order by Marcin Bury; Alexei Prokudin; Alexey Vladimirov is a Physics and Astronomy article available to read on EtoBox.

What is Extraction of the Sivers Function from SIDIS, Drell-Yan, and W±/Z Data at Next-to-Next-to-Next-to Leading Order about?

We perform the global analysis of polarized semi-inclusive deep inelastic scattering (SIDIS), pioninduced polarized Drell-Yan (DY) process, and W AE =Z boson production data and extract the Sivers function for u, d, s and for sea quarks. We use the framework of transverse momentum dependent factorization at next-to-next-to-next-to leading order (N 3 LO) accuracy. The Qiu-Sterman function is determined in a model independent way from the extracted Sivers function. We also evaluate the significance of the predicted sign change of the Sivers function in DY process with respect to SIDIS.

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Author

Marcin Bury; Alexei Prokudin; Alexey Vladimirov

Publisher

American Physical Society (APS)

Published

2021

Language

EN

Field

Physics and Astronomy (Physical Sciences)