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Resummation for rapidity distributions in top-quark pair production.

Pecjak, Benjamin D. and Scott, Darren J. and Wang, Xing and Yang, Li Lin (2019) 'Resummation for rapidity distributions in top-quark pair production.', Journal of high energy physics., 2019 (3). 060.

Abstract

We extend our framework for the simultaneous resummation of soft and small-mass logarithms to rapidity distributions in top quark pair production. We give numerical results for the rapidity distribution of the top quark or the anti-top quark, as well as the rapidity distribution of the tt¯ pair, finding that resummation effects stabilize the dependence of the differential cross sections on the choice of factorization scale. We compare our results with recent measurements at the Large Hadron Collider and find good agreement. Our results may be useful in the extraction of the gluon parton distribution function from tt¯ production.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1007/JHEP03(2019)060
Publisher statement:This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Date accepted:06 March 2019
Date deposited:14 March 2019
Date of first online publication:12 March 2019
Date first made open access:No date available

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