Modelling and computational improvements to the simulation of single vector-boson plus jet processes for the ATLAS experiment

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dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2022-10-13T09:30:57Z
dc.date.available2022-10-13T09:30:57Z
dc.date.issued2022-08
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractAbstract: This paper presents updated Monte Carlo configurations used to model the production of single electroweak vector bosons (W, Z/??) in association with jets in proton-proton collisions for the ATLAS experiment at the Large Hadron Collider. Improvements pertaining to the electroweak input scheme, parton-shower splitting kernels and scale-setting scheme are shown for multi-jet merged configurations accurate to next-to-leading order in the strong and electroweak couplings. The computational resources required for these set-ups are assessed, and approximations are introduced resulting in a factor three reduction of the per-event CPU time without affecting the physics modelling performance. Continuous statistical enhancement techniques are introduced by ATLAS in order to populate low cross-section regions of phase space and are shown to match or exceed the generated effective luminosity. This, together with the lower per-event CPU time, results in a 50% reduction in the required computing resources compared to a legacy set-up previously used by the ATLAS collaboration. The set-ups described in this paper will be used for future ATLAS analyses and lay the foundation for the next generation of Monte Carlo predictions for single vector-boson plus jets production. [Figure not available: see fulltext.]. © 2022, The Author(s).en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1007/JHEP08(2022)089
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85135791758en_US
dc.identifier.urihttps://hdl.handle.net/11411/4570
dc.identifier.urihttps://doi.org/10.1007/JHEP08(2022)089
dc.identifier.wosWOS:000838675900002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue8en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors500+en_US
dc.publisherSpringer Science and Business Media Deutschland GmbHen_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHadron-Hadron Scatteringen_US
dc.titleModelling and computational improvements to the simulation of single vector-boson plus jet processes for the ATLAS experiment
dc.typeArticle
dc.volume2022en_US

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