Collinear matching for Sivers function at next-to-leading order

URN to cite this document:: urn:nbn:de:bvb:355-epub-455055
DOI to cite this document:: 10.5283/epub.45505

Scimemi, Ignazio ; Tarasov, Andrey ; Vladimirov, Alexey

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Date of publication of this fulltext: 06 Apr 2021 13:45

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Abstract

We evaluate the light-cone operator product expansion for unpolarized transverse momentum dependent (TMD) operator in the background-field technique up twist-3 inclusively. The next-to-leading order (NLO) matching coefficient for the Sivers function is derived. The method, as well as many details of the calculation are presented.

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