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Twist-2 matching of transverse momentum dependent distributions

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Gutiérrez-Reyes, Daniel ; Scimemi, Ignazio ; Vladimirov, Alexey A.
Date of publication of this fulltext: 27 Apr 2018 09:42


We systematically study the large-qT (or small-b) matching of transverse momentum dependent (TMD) distributions to the twist-2 integrated parton distributions. Performing operator product expansion for a generic TMD operator at the next-to-leading order (NLO) we found the complete set of TMD distributions that match twist-2. These are unpolarized, helicity, transversity, pretzelosity and linearly ...


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