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Improving topological cluster reconstruction using calorimeter cell timing in ATLAS

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280Institutions déclarées
41Pays d’affiliation déclarés

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Le résumé fourni par la source

Abstract Clusters of topologically connected calorimeter cells around cells with large absolute signal-to-noise ratio (topo-clusters) are the basis for calorimeter signal reconstruction in the ATLAS experiment. Topological cell clustering has proven performant in LHC Runs 1 and 2. It is, however, susceptible to out-of-time pile-up of signals from soft collisions outside the 25 ns proton-bunch-crossing window associated with the event’s hard collision. To reduce this effect, a calorimeter-cell timing criterion was added to the signal-to-noise ratio requirement in the clustering algorithm. Multiple versions of this criterion were tested by reconstructing hadronic signals in simulated events and Run 2 ATLAS data. The preferred version is found to reduce the out-of-time pile-up jet multiplicity by $${\sim }50\%$$ ∼ 50 % for jet $$p_{\textrm{T}}\sim 20$$ p T ∼ 20 GeV and by $${\sim }80\%$$ ∼ 80 % for jet $$p_{\textrm{T}} \gtrsim 50$$ p T ≳ 50 GeV, while not disrupting the reconstruction of hadronic signals of interest, and improving the jet energy resolution by up to 5% for $$20< p_{\textrm{T}} < 30$$ 20 < p T < 30 GeV. Pile-up is also suppressed for other physics objects based on topo-clusters (electrons, photons, $$\tau $$ τ -leptons), reducing the overall event size on disk by about $$6\%$$ 6 % in early Run 3 pile-up conditions. Offline reconstruction for Run 3 includes the timing requirement.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Improving topological cluster reconstruction using calorimeter cell timing in ATLAS
Date Crossref
03/05/2024
Éditeur
Springer Science and Business Media LLC
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

Centre National de la Recherche ScientifiqueAix-Marseille UniversitéCentre de physique des particules de MarseilleInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of OklahomaUniversity of GöttingenTU Dortmund UniversityBrookhaven National LaboratoryMohammed V UniversityTel Aviv UniversityUniversidade Federal do Rio de JaneiroTechnion – Israel Institute of TechnologyNew York UniversityThe Abdus Salam International Centre for Theoretical Physics (ICTP)King's College LondonIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineUniversité Savoie Mont BlancJagiellonian UniversityAGH University of KrakowBrandeis UniversityUniversity of ManchesterNorthern Illinois UniversityIstanbul UniversityRutherford Appleton LaboratoryUniversity of California, Santa CruzEuropean Organization for Nuclear ResearchInstitute for High Energy PhysicsUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaJohannes Gutenberg University MainzAlexandru Ioan Cuza UniversityAzerbaijan National Academy of SciencesMcGill UniversityRoyal Holloway University of LondonUniversity of Science and Technology of ChinaUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversitat de ValènciaInstituto de Física CorpuscularUniversity of Hassan II CasablancaWeizmann Institute of ScienceLund UniversityWaseda UniversityUniversity of BonnBoğaziçi UniversityColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiInstitut polytechnique de GrenobleUniversité Grenoble AlpesUniversity of EdinburghHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringNational Technical University of AthensUniversity of GenevaCzech Technical University in PragueLancaster UniversityInstitute of Physics, Academia SinicaUniversity of LiverpoolStony Brook UniversityIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversity of SussexFederico Santa María Technical UniversityUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Naples Federico IIConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataUniversity of WashingtonUniversidad Autónoma de MadridLudwig-Maximilians-Universität MünchenUniversity of MichiganLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of OsloUniversity of SheffieldThe University of Texas at AustinStockholm UniversityUniversity of MilanNational and Kapodistrian University of AthensLawrence Livermore National LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IHigh Energy Accelerator Research OrganizationThe University of TokyoDeutsches Elektronen-Synchrotron DESYHumboldt-Universität zu BerlinInstitute of Nuclear Physics, Polish Academy of SciencesDuke UniversityInstitute of Particle PhysicsUniversité de MontréalUniversity of FreiburgNational Institute for Subatomic PhysicsUniversity of AmsterdamSapienza University of RomeObayashi (Japan)Nagoya UniversityOtsuka (Japan)Ochanomizu UniversityHarvard UniversityComenius University BratislavaUniversity of California, IrvineUniversity of Cape TownUniversity of Illinois Urbana-ChampaignUniversité Mohammed VI PolytechniqueUniversity of PennsylvaniaTRIUMFSlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversUniversity of ThessalyAristotle University of ThessalonikiCarleton UniversityQueen Mary University of LondonYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonUniversity of BolognaHeidelberg UniversityUniversity of CambridgeUniversity of PittsburghThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaMax Planck Institute for PhysicsSLAC National Accelerator LaboratoryPalacký University OlomoucChinese Academy of SciencesUniversity of OxfordInstitute of High Energy PhysicsUniversity College LondonAn-Najah National UniversityUniversity of GlasgowUniversity of SiegenUniversidad de Buenos AiresFundación Ciencias Exactas y NaturalesUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of BernUniversity of FribourgUniversity of WarwickIstinye UniversityUniversidade do Estado do Rio de JaneiroUnited Arab Emirates UniversityUppsala UniversityLawrence Berkeley National LaboratoryLaboratoire AstroParticule et CosmologieCharles UniversityTechnische Universität DresdenUniversity of JohannesburgUniversity of WürzburgOklahoma State UniversityUniversity of Colorado BoulderUniversity of OregonIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreGaziantep UniversityUniversity of CalabriaUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneThe Ohio State UniversityUniversity of WuppertalUniversity of Massachusetts AmherstUniversity of BergenSimon Fraser UniversityBoston UniversityMichigan State UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesNanjing UniversityAnkara UniversityIndiana University BloomingtonUniversity of PisaUniversity of CopenhagenWestmont CollegeRadboud University NijmegenUniversity of the WitwatersrandUniversity of TorontoUniversitat Autònoma de BarcelonaUniversity of MinhoUniversity of SalentoIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversidade Federal de Juiz de ForaUniversity of Wisconsin–MadisonTbilisi State UniversityArgonne National LaboratoryShanghai Jiao Tong UniversityCollaborative Innovation Center of Quantum MatterTsinghua UniversityChinese University of Hong KongUniversity of ArizonaNational Tsing Hua UniversityFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversity of LjubljanaJožef Stefan InstituteJožef Stefan International Postgraduate SchoolBen-Gurion University of the NegevUniversity of UdineUniversity of LisbonInstituto Politécnico de LisboaParthenope University of NaplesUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsYork UniversitySouthern Methodist UniversityRoma Tre UniversityPontificia Universidad Católica de ChileFermi National Accelerator LaboratoryUniversity of ChicagoUniversidade de São PauloUniversité Ibn-TofailLouisiana Tech UniversityShandong UniversityThe University of AdelaideBorough of Manhattan Community CollegeCity University of New YorkUniversity of CoimbraUniversity of the Philippines DilimanUniversity of the AegeanUniversity of IowaStanford UniversityUniversity of British ColumbiaUniversity of New MexicoNational Centre of Scientific Research "Demokritos"Institute of PhysicsUniversity of AlbertaCentro Ricerche Enrico FermiUniversity of GeorgiaWest University of TimişoaraCalifornia State University, FresnoInstitució Catalana de Recerca i Estudis AvançatsUniversity of TsukubaShinshu UniversityTokyo Institute of TechnologyIowa State UniversityTechnical University of MunichKobe UniversityThe University of OsakaUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiUniversity of Hong KongYeditepe UniversityThe University of Texas at DallasIlia State UniversityUniversity of TarapacáKyoto UniversityUniversität InnsbruckUniversidad Andrés BelloHellenic Open UniversityKTH Royal Institute of TechnologyPeking UniversityHong Kong University of Science and TechnologySun Yat-sen UniversityCentro Nacional de MicroelectrónicaInstitut de Microelectrònica de BarcelonaUniversité Toulouse III - Paul SabatierUniversité Fédérale de Toulouse Midi-PyrénéesCalifornia State University, SacramentoUniversidad Antonio NariñoThe University of SydneyKyushu UniversityMohamed I UniversityTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversidad Nacional de ColombiaUniversity of SharjahBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergyWashington CollegeUniversity of La SerenaTOBB University of Economics and TechnologyUniversität HamburgMongolian Academy of SciencesInstitute of Physics and TechnologyUniversity of California, Berkeley

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchParticle Detector Development and Performance

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