Performance of the ATLAS muon triggers in Run 2

Basit Öğe Kaydı
dc.WoS.categoriesInstruments & Instrumentationen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2020-11-06T07:42:08Z
dc.date.available2020-11-06T07:42:08Z
dc.date.issued2020-09
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description58 pagesen_US
dc.description.abstractThe performance of the ATLAS muon trigger system is evaluated with proton-proton (pp) and heavy-ion (HI) collision data collected in Run 2 during 2015-2018 at the Large Hadron Collider. It is primarily evaluated using events containing a pair of muons from the decay of Z bosons to cover the intermediate momentum range between 26 GeV and 100 GeV. Overall, the efficiency of the single-muon triggers is about 68% in the barrel region and 85% in the endcap region. The p(T) range for efficiency determination is extended by using muons from decays of J/psi mesons, W bosons, and top quarks. The performance in HI collision data is measured and shows good agreement with the results obtained in pp collisions. The muon trigger shows uniform and stable performance in good agreement with the prediction of a detailed simulation. Dedicated multi-muon triggers with kinematic selections provide the backbone to beauty, quarkonia, and low-mass physics studies. The design, evolution and performance of these triggers are discussed in detail.en_US
dc.description.tableofcontents1 Introduction 1 2 The ATLAS detector 1 3 Data and simulation samples 3 4 Offline object reconstruction and identification 4 5 The ATLAS muon trigger 5 6 Muon trigger menu 10 7 CPU timing studies 11 8 Trigger performance measurements 13 8.1 Resolution studies 13 8.2 Rate measurements 13 8.3 Trigger efficiency measurement 14 9 L1 muon trigger performance 17 10 Muon trigger efficiency in pp data-taking 19 10.1 Single-muon trigger efficiency 19 10.2 Multi-muon trigger efficiency 22 10.3 High-pT muons in low-pile-up pp collisions 25 11 Muon trigger efficiency in HI data-taking 25 12 Muon triggers for B-physics and Light States programme 27 12.1 BLS L1 topological trigger 27 12.2 BLS HLT algorithms 29 12.3 Rates and streaming strategy 31 12.4 Performance 33 13 Conclusion 35en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1088/1748-0221/15/09/P09015en_US
dc.identifier.issn1748-0221
dc.identifier.scopus2-s2.0-85096387405en_US
dc.identifier.urihttps://hdl.handle.net/11411/2487
dc.identifier.urihttps://doi.org/10.1088/1748-0221/15/09/P09015
dc.identifier.wosWOS:000577273400015en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue9en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors1000+en_US
dc.publisherIOP Publishing Ltd.en_US
dc.relation.ispartofJournal of Instrumentationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectTrigger concepts and systems (hardware and software)en_US
dc.subjectOnline farms and online filteringen_US
dc.subjectData processing methodsen_US
dc.subjectData acquisition conceptsen_US
dc.titlePerformance of the ATLAS muon triggers in Run 2en_US
dc.typeArticleen_US
dc.volume15en_US

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