First invariant-mass threshold resummation for ttbar ttbar production, giving NLO+NLL' predictions for the invariant-mass distribution and total cross section.
Associated production of a top pair and a Z boson at the LHC to NNLL accuracy
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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.
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Invariant-mass threshold resummation for the production of four top quarks at the LHC
First invariant-mass threshold resummation for ttbar ttbar production, giving NLO+NLL' predictions for the invariant-mass distribution and total cross section.