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Associated production of a top pair and a W boson at next-to-next-to-leading logarithmic accuracy.

Broggio, A. and Ferroglia, A. and Ossola, G. and Pecjak, B.D. (2016) 'Associated production of a top pair and a W boson at next-to-next-to-leading logarithmic accuracy.', Journal of high energy physics., 2016 (09). 089.

Abstract

We consider soft gluon emission corrections to the production of a top-antitop pair in association with a W boson at the Large Hadron Collider. We obtain a soft-gluon resummation formula for this production process which is valid up to next-to-next-to-leading logarithmic accuracy. We evaluate the soft gluon resummation formula in Mellin space by means of an in-house parton level Monte Carlo code which allows us to obtain predictions for the total cross section as well as for several differential distributions. We study the impact of the soft-gluon resummation corrections in comparison to fixed order calculations.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1007/JHEP09(2016)089
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:09 September 2016
Date deposited:07 December 2016
Date of first online publication:15 September 2016
Date first made open access:No date available

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