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Durham University

Research & business

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Publication details

Broggio, Alessandro, Ferroglia, Andrea, Ossola, Giovanni, Pecjak, Ben D. & 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): 105.

Author(s) from Durham

Abstract

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.