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Transverse Parton Distribution Functions at Next-to-Next-to-Leading Order: The Quark-to-Quark Case


Gehrmann, Thomas; Lübbert, Thomas; Yang, Li (2012). Transverse Parton Distribution Functions at Next-to-Next-to-Leading Order: The Quark-to-Quark Case. Physical Review Letters, 109(24):1-5.

Abstract

We present a calculation of the perturbative quark-to-quark transverse parton distribution function at next-to-next-to-leading order based on a gauge invariant operator definition. We demonstrate for the first time that such a definition works beyond the first nontrivial order. We extract from our calculation the coefficient functions relevant for a next-to-next-to-next-to-leading logarithmic QT resummation in a large class of processes at hadron colliders.

Abstract

We present a calculation of the perturbative quark-to-quark transverse parton distribution function at next-to-next-to-leading order based on a gauge invariant operator definition. We demonstrate for the first time that such a definition works beyond the first nontrivial order. We extract from our calculation the coefficient functions relevant for a next-to-next-to-next-to-leading logarithmic QT resummation in a large class of processes at hadron colliders.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2012
Deposited On:13 Feb 2013 15:49
Last Modified:05 Apr 2016 16:16
Publisher:American Physical Society
ISSN:0031-9007
Publisher DOI:https://doi.org/10.1103/PhysRevLett.109.242003

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