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NNLL resummation for the associated production of a top pair and a Higgs boson at the LHC.

Broggio, A. and Ferroglia, A. and Pecjak, B.D. and Yang, L.L. (2017) 'NNLL resummation for the associated production of a top pair and a Higgs boson at the LHC.', Journal of high energy physics., 2017 (2). p. 126.

Abstract

We study the resummation of soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at the Large Hadron Collider. Starting from a soft-gluon resummation formula derived in previous work, we develop a bespoke parton-level Monte Carlo program which can be used to calculate the total cross section along with differential distributions. We use this tool to study the phenomenological impact of the resummation to next-to-next-to-leading logarithmic (NNLL) accuracy, finding that these corrections increase the total cross section and the differential distributions with respect to NLO calculations of the same observables.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1007/JHEP02(2017)126
Publisher statement:Open Access, © The Authors. Article funded by SCOAP3. 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:27 January 2017
Date deposited:28 March 2017
Date of first online publication:24 February 2017
Date first made open access:28 March 2017

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