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Durham University

Department of Physics

Staff profile

Publication details for Prof Nigel Glover

Bellm, Johannes, Buckley, Andy, Chen, Xuan, Ridder, Aude Gehrmann-De, Gehrmann, Thomas, Glover, Nigel, Höche, Stefan, Huss, Alexander, Huston, Joey, Kuttimalai, Silvan, Pires, Joao, Plätzer, Simon & Re, Emanuele (2020). Jet cross sections at the LHC and the quest for higher precision. The European Physical Journal C 80(2): 93.

Author(s) from Durham

Abstract

We perform a phenomenological study of Z plus jet, Higgs plus jet and di-jet production at the Large Hadron Collider. We investigate in particular the dependence of the leading jet cross section on the jet radius as a function of the jet transverse momentum. Theoretical predictions are obtained using perturbative QCD calculations at the next-to and next-to-next-to-leading order, using a range of renormalization and factorization scales. The fixed order predictions are compared to results obtained from matching next-to-leading order calculations to parton showers. A study of the scale dependence as a function of the jet radius is used to provide a better estimate of the scale uncertainty for small jet sizes. The non-perturbative corrections as a function of jet radius are estimated from different generators.