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



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Gutiérrez Reyes, Daniel and Scimemi, Ignazio and Vladimirov, Alexey (2018) Transverse momentum dependent transversely polarized distributions at next-to-next-to-leading-order. Journal of High Energy Physics, 2018 (7). ISSN 1029-8479

[thumbnail of JHEP07(2018)172 (1).pdf]
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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. The matching for transversity TMD distributions is provided for both parton distribution functions and fragmentation functions cases.

Item Type:Article
Uncontrolled Keywords:NLO Computations, QCD Phenomenology
Subjects:Sciences > Physics > Physics-Mathematical models
Sciences > Physics > Particles
Sciences > Physics > Quantum theory
ID Code:74433
Deposited On:26 Sep 2022 13:46
Last Modified:26 Sep 2022 14:01

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