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Associated production of a top pair and a Z boson at the LHC to NNLL accuracy.

Broggio, Alessandro and Ferroglia, Andrea and Ossola, Giovanni and Pecjak, Ben D. and Sameshima, Ray D. (2017) 'Associated production of a top pair and a Z boson at the LHC to NNLL accuracy.', Journal of high energy physics., 2017 (04). p. 105.


We study the resummation of soft gluon emission corrections to the production of a top-antitop pair in association with a Z boson at the Large Hadron Collider to next-to-next-to-leading logarithmic accuracy. By means of an in-house parton level Monte Carlo code we evaluate the resummation formula for the total cross section and several differential distributions at a center-of-mass energy of 13 TeV, and we match these calculations to next-to-leading order results.

Item Type:Article
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Publisher statement:© The Author(s) 2017 Open Access. 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:07 April 2017
Date deposited:31 May 2017
Date of first online publication:19 April 2017
Date first made open access:31 May 2017

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