https://doi.org/10.1140/epjc/s10052-019-7574-x
Regular Article - Theoretical Physics
Jet cross sections at the LHC and the quest for higher precision
1
Department of Astronomy and Theoretical Physics, Lund University, 223 62, Lund, Sweden
2
School of Physics and Astronomy, University of Glasgow, G12 8QQ, Glasgow, UK
3
Institut für Theoretische Physik, Universität Zürich, 8057, Zürich, Switzerland
4
Institute for Theoretical Physics, ETH, 8093, Zürich, Switzerland
5
Institute for Particle Physics Phenomenology, Durham University, DH1 3LE, Durham, UK
6
SLAC National Accelerator Laboratory, 94025, Menlo Park, CA, USA
7
Fermi National Accelerator Laboratory, 60510-0500, Batavia, IL, USA
8
Theoretical Physics Department, CERN, 1211, Geneva 23, Switzerland
9
Department of Physics and Astronomy, Michigan State University, 48824, East Lansing, MI, USA
10
CFTP, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
11
Fakultät Physik, University of Vienna, 1010, Vienna, Austria
12
Laboratoire d’Annecy-le-Vieux de Physique Théorique, Université Grenoble Alpes, Université Savoie Mont Blanc, CNRS, 74940, Annecy, France
Received:
3
June
2019
Accepted:
20
December
2019
Published online:
5
February
2020
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.
© The Author(s) 2020
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