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Transverse momentum dependent transversely polarized distributions at next-to-next-to-leading-order

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Gutierrez-Reyes, Daniel ; Scimemi, Ignazio ; Vladimirov, Alexey
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 06 Apr 2021 15:20


We calculate the matching of the transversity and pretzelosity transverse momentum dependent distributions (TMD) on transversity collinear distribution at the next-to-next-to-leading order (NNLO). We find that the matching coefficient for pretzelosity distribution is zero, despite the matrix element for it is nontrivial. This result suggests that the pretzelosity matches a twist-4 distribution. ...


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