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Calculation of transverse momentum dependent distributions beyond the leading power

URN to cite this document:
urn:nbn:de:bvb:355-epub-454065
DOI to cite this document:
10.5283/epub.45406
Moos, Valentin ; Vladimirov, Alexey
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Date of publication of this fulltext: 30 Mar 2021 12:19


Abstract

We compute the contribution of twist-2 and twist-3 parton distribution functions to the small-b expansion for transverse momentum dependent (TMD) distributions at all powers of b. The computation is done by the twist-decomposition method based on the spinor formalism for all eight quark TMD distributions. The newly computed terms are accompanied by the prefactor (M2b2)n and represent the ...

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