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Accès ouvert déclaré 2020 article

Dijet Resonance Search with Weak Supervision Using s=13 TeV pp Collisions in the ATLAS Detector

134Citations signalées, ce qui n’est pas une note de qualité
259Institutions déclarées
38Pays d’affiliation déclarés

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

Le résumé fourni par la source

This Letter describes a search for narrowly resonant new physics using a machine-learning anomaly detection procedure that does not rely on signal simulations for developing the analysis selection. Weakly supervised learning is used to train classifiers directly on data to enhance potential signals. The targeted topology is dijet events and the features used for machine learning are the masses of the two jets. The resulting analysis is essentially a three-dimensional search $A\ensuremath{\rightarrow}BC$, for ${m}_{A}\ensuremath{\sim}\mathcal{O}(\mathrm{TeV})$, ${m}_{B},{m}_{C}\ensuremath{\sim}\mathcal{O}(100\text{ }\text{ }\mathrm{GeV})$ and $B$, $C$ are reconstructed as large-radius jets, without paying a penalty associated with a large trials factor in the scan of the masses of the two jets. The full run 2 $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ $pp$ collision dataset of $139\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ recorded by the ATLAS detector at the Large Hadron Collider is used for the search. There is no significant evidence of a localized excess in the dijet invariant mass spectrum between 1.8 and 8.2 TeV. Cross-section limits for narrow-width $A$, $B$, and $C$ particles vary with ${m}_{A}$, ${m}_{B}$, and ${m}_{C}$. For example, when ${m}_{A}=3\text{ }\text{ }\mathrm{TeV}$ and ${m}_{B}\ensuremath{\gtrsim}200\text{ }\text{ }\mathrm{GeV}$, a production cross section between 1 and 5 fb is excluded at 95% confidence level, depending on ${m}_{C}$. For certain masses, these limits are up to 10 times more sensitive than those obtained by the inclusive dijet search. These results are complementary to the dedicated searches for the case that $B$ and $C$ are standard model bosons.

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Le contrôle bibliographique ouvert

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

Titre Crossref
Dijet Resonance Search with Weak Supervision Using <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> Collisions in the ATLAS Detector
Date Crossref
21/09/2020
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

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 Massachusetts AmherstEuropean Organization for Nuclear ResearchUniversity of GöttingenRoyal Holloway University of LondonUniversity of TorontoUniversity of CopenhagenUniversity of SussexTel Aviv UniversityTechnion – Israel Institute of TechnologyArgonne National LaboratoryThe Abdus Salam International Centre for Theoretical Physics (ICTP)Istituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineJohannes Gutenberg University MainzUniversité Savoie Mont BlancUniversité Grenoble AlpesAGH University of KrakowNorthern Illinois UniversityLudwig-Maximilians-Universität MünchenBoğaziçi UniversityUniversity of GenevaRutherford Appleton LaboratoryUniversity of California, Santa CruzUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneRadboud University NijmegenNational Institute for Subatomic PhysicsAlexandru Ioan Cuza UniversityUniversidad de GranadaLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchMcGill UniversityLawrence Berkeley National LaboratoryUniversity of California, BerkeleyUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataKyoto UniversityLund UniversityP.N. Lebedev Physical Institute of the Russian Academy of SciencesIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaUniversity of VictoriaHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringNational Technical University of AthensUniversity of AmsterdamCzech Technical University in PragueInstitute of Physics, Academia SinicaNational Research Tomsk State UniversityIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversity of OregonUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataUniversity of WashingtonUniversidad Autónoma de MadridUniversidade Federal do Rio de JaneiroUniversity of OxfordBrandeis UniversityUniversity of MichiganDeutsches Elektronen-Synchrotron DESYIowa State UniversityUniversity of SheffieldCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversThe University of Texas at AustinUniversity of BernStockholm UniversityUniversity of MilanHeidelberg UniversityNational and Kapodistrian University of AthensColumbia UniversityNovosibirsk State UniversitySiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PisaOklahoma State UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiUniversity of California, IrvineIstituto Nazionale di Fisica Nucleare, Sezione di Roma IHigh Energy Accelerator Research OrganizationUniversitat de ValènciaInstituto de Física CorpuscularUniversidade Federal de Juiz de ForaDuke UniversityInstitute of Particle PhysicsUniversité de MontréalUniversity of FreiburgOtsuka (Japan)Ochanomizu UniversityThe University of TokyoTokyo Institute of TechnologyHarvard UniversityUppsala UniversityMohamed I UniversityBrookhaven National LaboratoryComenius University BratislavaUniversity of Cape TownUniversity of Illinois Urbana-ChampaignHumboldt-Universität zu BerlinUniversity of WuppertalChinese Academy of SciencesInstitute of High Energy PhysicsAristotle University of ThessalonikiSapienza University of RomeInstitute of Nuclear Physics, Polish Academy of SciencesSimon Fraser UniversityYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonThe University of SydneyWeizmann Institute of ScienceUniversity of PittsburghUniversity of BonnUniversity of Wisconsin–MadisonThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaUniversity College LondonMax Planck Institute for PhysicsSLAC National Accelerator LaboratoryUniversity of Science and Technology of ChinaKurchatov InstitutePetersburg Nuclear Physics InstituteLancaster UniversityUniversity of GlasgowMohammed V UniversityUniversity of CambridgeUniversity of SiegenCalifornia State University SystemUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of WarwickBahçeşehir UniversityGaziantep UniversityStony Brook UniversityCarleton UniversityNational Research Nuclear University MEPhIUniversity of Hassan II CasablancaUniversity of ArizonaTechnische Universität DresdenUniversity of ManchesterSouthern Methodist UniversityQueen Mary University of LondonUniversity of WürzburgUniversity of PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreUniversity of AlbertaUniversity of OsloInstitute for High Energy PhysicsUniversity of LiverpoolInstitute for High Energy PhysicsThe Ohio State UniversityUniversity of JohannesburgMichigan State UniversityFederico Santa María Technical UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesUniversity of BergenBoston UniversityJustus-Liebig-Universität GießenAnkara UniversityIndiana University BloomingtonRoma Tre UniversityUniversity of IowaUniversity of CalabriaCharles UniversityTRIUMFUniversity of EdinburghUniversity of MinhoIstanbul Bilgi UniversityPalacký University OlomoucTbilisi State UniversityUniversity of PennsylvaniaNanjing UniversityTsinghua UniversityChinese University of Hong KongNational Tsing Hua UniversityIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversity of the WitwatersrandUniversity of Chinese Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicTU Dortmund UniversityUniversity of LjubljanaJožef Stefan InstituteJožef Stefan International Postgraduate SchoolUniversity of UdineInstitut polytechnique de GrenobleUniversity of LisbonInstituto Politécnico de LisboaUniversity of British ColumbiaNew York UniversityShandong UniversityUniversidad de Buenos AiresYork UniversityPontificia Universidad Católica de ChileFederal University of São João del-ReiUniversidade de São PauloShanghai Jiao Tong UniversityThe University of AdelaideNational Centre of Scientific Research "Demokritos"University of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaThe University of Texas at DallasUniversity of CoimbraUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsTokyo Metropolitan UniversityNagasaki Institute of Applied ScienceFermi National Accelerator LaboratoryUniversity of ChicagoInstitute for Theoretical and Experimental PhysicsJagiellonian UniversityInstitute of PhysicsLomonosov Moscow State UniversityUniversity of SalentoUniversité Ibn-TofailWest University of TimişoaraUniversity of New MexicoUniversity of TsukubaNational Academy of Sciences of BelarusB.I. Stepanov Institute of PhysicsShinshu UniversityObayashi (Japan)Nagoya UniversityKobe UniversityThe University of OsakaUniversität InnsbruckBelarusian State UniversityUniversity at Albany, State University of New YorkWaseda UniversityKyushu UniversityAzerbaijan National Academy of SciencesIstanbul Aydın UniversityUniversidad Andrés BelloUniversity of TarapacáHong Kong University of Science and TechnologyUniversity of Hong KongKTH Royal Institute of TechnologyUniversidad Antonio NariñoHiroshima Institute of TechnologyTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversidad Nacional de ColombiaLouisiana Tech UniversityTOBB University of Economics and TechnologyKyoto University of Education

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

Les sujets associés

Particle physics theoretical and experimental studiesParticle Detector Development and PerformanceHigh-Energy Particle Collisions Research

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