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Accès ouvert déclaré 2025 article

Observation of tt¯ Production in Pb+Pb Collisions at sNN=5.02 TeV with the ATLAS Detector

5Citations signalées, ce qui n’est pas une note de qualité
220Institutions déclarées
42Pays d’affiliation déclarés

Rattachement africain : fr, no, us, de, Maroc, il, it, pl, gb, tr, es, ro, ch, cn, se, jp, ca, cz, gr, Afrique du Sud, ec, ar, br, pt, sk, rs, ae, au, nl, at, dk, co, ge, hk, tw, si, cl, ph, am, Zimbabwe, az, bd. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

Top-quark pair production is observed in lead-lead (Pb+Pb) collisions at sqrt[s_{NN}]=5.02 TeV at the Large Hadron Collider with the ATLAS detector. The data sample was recorded in 2015 and 2018, amounting to an integrated luminosity of 1.9 nb^{-1}. Events with exactly one electron and one muon and at least two jets are selected. Top-quark pair production is measured with an observed (expected) significance of 5.0 (4.1) standard deviations. The measured top-quark pair production cross section is σ_{tt[over ¯]}=3.6 _{-0.9}^{+1.0}(stat) _{-0.5}^{+0.8}(syst) μb, with a total relative uncertainty of 31%, and is consistent with theoretical predictions using a range of different nuclear parton distribution functions. The observation of this process consolidates the evidence of the existence of all quark flavors in the preequilibrium stage of the quark-gluon plasma at very high energy densities, similar to the conditions present in the early Universe.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref
Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>t</mml:mi><mml:mover accent="true"><mml:mrow><mml:mi>t</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="false">¯</mml:mo></mml:mrow></mml:mover></mml:mrow></mml:math> Production in Pb+Pb Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi>NN</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math> with the ATLAS Detector
Date Crossref
07/04/2025
Éditeur
American Physical Society (APS)
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

Aix-Marseille UniversitéUniversity of BergenUniversity of OklahomaNew York UniversityUniversity of GöttingenTU Dortmund UniversityBrookhaven National LaboratorySouthern Methodist UniversityMohammed V UniversityTel Aviv UniversityUniversity of UdineIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineHeidelberg UniversityUniversité Savoie Mont BlancJagiellonian UniversityAGH University of KrakowSLAC National Accelerator LaboratoryUniversity of ManchesterNorthern Illinois UniversityIstanbul UniversityRutherford Appleton LaboratoryUniversity of California, Santa CruzUniversity of ChicagoBarcelona Institute of Science and TechnologyInstitute of Science and TechnologyJohannes Gutenberg University MainzAlexandru Ioan Cuza UniversityEuropean Organization for Nuclear ResearchRoyal Holloway University of LondonZhengzhou UniversityUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversitat de ValènciaUniversity of Hassan II CasablancaLund UniversityStony Brook UniversityWaseda UniversityUniversity of BonnBoğaziçi UniversityColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiInstitut des langues et cultures d'Europe, Amérique, Afrique, Asie et AustralieUniversité Grenoble AlpesUniversity of EdinburghOklahoma State University Oklahoma CityHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicNational Technical University of AthensUniversity of GenevaUniversity of WarwickCzech Technical University in PragueLancaster UniversityCalifornia State University SystemUniversity of LiverpoolUniversity of JohannesburgIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversité Paris-SaclayUniversity of SussexUniversidad Técnica Federico Santa MaríaUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliConsejo Nacional de Investigaciones Científicas y TécnicasUniversidad Nacional de La PlataUniversity of WashingtonUniversidade Federal do Rio de JaneiroMcGill UniversityLudwig-Maximilians-Universität MünchenUniversity of MichiganUniversity of FreiburgUniversity of TorontoLIP - Laboratory of Instrumentation and Experimental Particle PhysicsAristotle University of ThessalonikiHigh Energy Accelerator Research OrganizationUniversity of OsloUniversity of SheffieldThe University of Texas at AustinUniversity of GlasgowUniversity of MilanNational and Kapodistrian University of AthensIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IThe University of TokyoDeutsches Elektronen-Synchrotron DESYBrandeis UniversityInstitute of Nuclear Physics, Polish Academy of SciencesDuke UniversityUniversité de MontréalSapienza University of RomeNagoya UniversityOchanomizu UniversityComenius University BratislavaUniversity of California, IrvineUniversity of Cape TownThe Polytechnic University of JapanUniversité Mohammed VI PolytechniqueCalifornia University of PennsylvaniaUniversité Clermont AuvergneSlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesCarleton UniversityTechnische Universität DresdenHumboldt-Universität zu BerlinQueen Mary University of LondonYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonUniversity of BolognaUniversity of CambridgeUnited Arab Emirates UniversityUniversity of PittsburghThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaNational Institute for Subatomic PhysicsMax Planck Institute for PhysicsPalacký University OlomoucUniversity of Science and Technology of ChinaUniversity of OxfordUniversity College LondonUniversidad Autónoma de MadridChinese Academy of SciencesUniversity of British ColumbiaUniversity of SiegenUniversität InnsbruckUniversidad de Buenos AiresUniversité Paris CitéTufts UniversityUniversity of BernIstinye UniversityUniversidade do Estado do Rio de JaneiroHarvard University PressUppsala UniversityLawrence Berkeley National LaboratoryCharles UniversityUniversity of WürzburgIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreUniversity of WuppertalGaziantep UniversityWeizmann Institute of ScienceUniversity of CalabriaStockholm UniversityThe Ohio State UniversityUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsMichigan State UniversityIndiana UniversityYork UniversityUniversity of Illinois SystemSimon Fraser UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesNanjing UniversityAnkara UniversityUniversity of CopenhagenUniversity of MinhoUniversidad Nacional de ColombiaUniversidade Federal de Juiz de ForaTbilisi State UniversityArgonne National LaboratoryShanghai Jiao Tong UniversityKyoto UniversityTsinghua UniversityChinese University of Hong KongUniversity of ArizonaNational Tsing Hua UniversityIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversity of LjubljanaUniversity of LisbonUniversity of SalentoRoma Tre UniversityPontificia Universidad Católica de ChileMillennium InstituteKTH Royal Institute of TechnologyUniversity of BucharestUniversidade Federal da BahiaUniversité Ibn-TofailUniversity of Hong KongLouisiana Tech UniversityShandong UniversityCentro Nacional de MicroelectrónicaInstitut de Microelectrònica de BarcelonaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaThe University of AdelaideUniversity of CoimbraUniversity of the Philippines DilimanUniversity of PisaUniversity of SharjahUniversity of the WitwatersrandNational Centre of Scientific Research "Demokritos"University of AlbertaWest University of TimişoaraA. Alikhanyan National LaboratoryŌtani UniversityThe University of OsakaUniversity of TsukubaNational University of Science and TechnologyAzerbaijan National Academy of SciencesUniversidade de São PauloUniversity of La SerenaUniversity of PaviaUniversity of TarapacáTechnion – Israel Institute of TechnologyIowa State UniversityUniversidad Andrés BelloKobe UniversityHong Kong University of Science and TechnologySun Yat-sen UniversityUniversity of IowaUniversité Fédérale de Toulouse Midi-PyrénéesKyushu UniversityPremier UniversityUniversidad Antonio NariñoThe University of SydneyTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversity of West AtticaTOBB University of Economics and TechnologyUniversity of California System

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

Les sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle Interactions

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