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Jet cross sections at the LHC and the quest for higher precision

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arxiv 1903.12563 v1 pith:3VKTVMSV submitted 2019-03-29 hep-ph hep-ex

Johannes Bellm , Andy Buckley , Xuan Chen , Aude Gehrmann-De Ridder , Thomas Gehrmann , Nigel Glover , Alexander Huss , Joao Pires
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Stefan Höche Joey Huston Silvan Kuttimalai Simon Plätzer Emanuele Re
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classification hep-phhep-ex
keywords functionorderradiuscalculationscrossdependenceobtainedplus
verification ladder T0 review T1 audit T2 compute T3 formal
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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.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. IRC-safe jet flavour at leading power

    hep-ph 2025-11 conditional novelty 8.0 of 10

    Adding leading-power quark-mass effects makes standard anti-kT b-jet flavour tagging infrared-collinear-safe through NNLO without changing jet or flavour definitions, up to power corrections.

  2. Configuration, Performance, and Commissioning of the ATLAS $b$-jet Triggers for the 2022 and 2023 LHC data-taking periods

    hep-ex 2025-01 conditional novelty 7.0 of 10

    ATLAS's Run 3 b-jet trigger, based on the DL1d and GN1 neural-network taggers plus a FastDIPS preselection, achieves about 50% higher efficiency for HH to bbbb and HH to bbtautau than the Run 2 trigger strategy.

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