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NLO electroweak automation and precise predictions for W+ multijet production at the LHC
journal contribution
posted on 2023-06-09, 19:48 authored by S Kallweit, Jonas LindertJonas Lindert, P Maierhofer, S Pozzorini, M SchonherrWe present a fully automated implementation of next-to-leading order electroweak (NLO EW) corrections in the OpenLoops matrix-element generator combined with the Sherpa and Munich Monte Carlo frameworks. The process-independent character of the implemented algorithms opens the door to NLO QCD+EW simulations for a vast range of Standard Model processes, up to high particle multiplicity, at current and future colliders. As a ?rst application, we present NLO QCD+EW predictions for the production of positively charged on-shell W bosons in association with up to three jets at the Large Hadron Collider. At the TeV energy scale, due to the presence of large Sudakov logarithms, EW corrections reach the 20–40% level and play an important role for searches of physics beyond the Standard Model. The dependence of NLO EW e?ects on the jet multiplicity is investigated in detail, and we ?nd that W+multijet ?nal states feature genuinely di?erent EW e?ects as compared to the case of W + 1jet.
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- Published
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- Published version
Journal
Journal of High Energy PhysicsISSN
1126-6708Publisher
Institute of PhysicsExternal DOI
Page range
1-51Department affiliated with
- Physics and Astronomy Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2019-12-02First Open Access (FOA) Date
2019-12-02First Compliant Deposit (FCD) Date
2019-11-28Usage metrics
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