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Accès ouvert déclaré 2023 article

Search for direct pair production of sleptons and charginos decaying to two leptons and neutralinos with mass splittings near the W-boson mass in $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector

43Citations signalées, ce qui n’est pas une note de qualité
244Institutions déclarées
38Pays d’affiliation déclarés

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

Le résumé fourni par la source

Abstract A search for the electroweak production of pairs of charged sleptons or charginos decaying into two-lepton final states with missing transverse momentum is presented. Two simplified models of R-parity-conserving supersymmetry are considered: direct pair-production of sleptons $$ \left(\overset{\sim }{\ell}\overset{\sim }{\ell}\right) $$ ℓ ~ ℓ ~ , with each decaying into a charged lepton and a $$ {\overset{\sim }{\chi}}_1^0 $$ χ ~ 1 0 neutralino, and direct pair-production of the lightest charginos $$ \left({\overset{\sim }{\chi}}_1^{\pm }{\overset{\sim }{\chi}}_1^{\mp}\right) $$ χ ~ 1 ± χ ~ 1 ∓ , with each decaying into a W-boson and a $$ {\overset{\sim }{\chi}}_1^0 $$ χ ~ 1 0 . The lightest neutralino $$ \left({\overset{\sim }{\chi}}_1^0\right) $$ χ ~ 1 0 is assumed to be the lightest supersymmetric particle (LSP). The analyses target the experimentally challenging mass regions where $$ m\left(\overset{\sim }{\ell}\right)-m\left({\overset{\sim }{\chi}}_1^0\right) $$ m ℓ ~ − m χ ~ 1 0 and $$ m\left({\overset{\sim }{\chi}}_1^{\pm}\right)-m\left({\overset{\sim }{\chi}}_1^0\right) $$ m χ ~ 1 ± − m χ ~ 1 0 are close to the W-boson mass (‘moderately compressed’ regions). The search uses 139 fb−1 of $$ \sqrt{s} $$ s = 13 TeV proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider. No significant excesses over the expected background are observed. Exclusion limits on the simplified models under study are reported in the $$ \left(\overset{\sim }{\ell },{\overset{\sim }{\chi}}_1^0\right) $$ ℓ ~ χ ~ 1 0 and $$ \left({\overset{\sim }{\chi}}_1^{\pm }{\overset{\sim }{\chi}}_1^0\right) $$ χ ~ 1 ± χ ~ 1 0 mass planes at 95% confidence level (CL). Sleptons with masses up to 150 GeV are excluded at 95% CL for the case of a mass-splitting between sleptons and the LSP of 50 GeV. Chargino masses up to 140 GeV are excluded at 95% CL for the case of a mass-splitting between the chargino and the LSP down to about 100 GeV.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for direct pair production of sleptons and charginos decaying to two leptons and neutralinos with mass splittings near the W-boson mass in $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector
Date Crossref
06/06/2023
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 Massachusetts AmherstUniversity of GöttingenBrookhaven National LaboratoryMohammed V UniversityTel Aviv UniversityTechnion – Israel Institute of TechnologyNew York UniversityPontificia Universidad Católica de ChileIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineUniversité Savoie Mont BlancAGH University of KrakowUniversity of TorontoBrandeis UniversityNorthern Illinois UniversityIstanbul UniversityUniversity of GenevaRutherford Appleton LaboratoryUniversity of California, Santa CruzEuropean Organization for Nuclear ResearchInstitute for High Energy PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PaviaJohannes Gutenberg University MainzAlexandru Ioan Cuza UniversityUniversidad de GranadaAzerbaijan National Academy of SciencesMcGill UniversityDeutsches Elektronen-Synchrotron DESYIstituto Nazionale di Fisica Nucleare, Roma Tor VergataWeizmann Institute of ScienceLund UniversityArgonne National LaboratoryColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataUniversity of EdinburghHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringNational Technical University of AthensUniversity of OklahomaUniversity of ArizonaIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversity of SussexUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of WashingtonUniversidad Autónoma de MadridUniversidade Federal do Rio de JaneiroLudwig-Maximilians-Universität MünchenUniversity of MichiganLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversitat de ValènciaInstituto de Física CorpuscularUniversity of OsloUniversity of SheffieldCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversThe University of Texas at AustinUniversity of BernStockholm UniversityNational and Kapodistrian University of AthensIstituto Nazionale di Fisica Nucleare, Sezione di PisaOklahoma State UniversityLawrence Berkeley National LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di Roma IHigh Energy Accelerator Research OrganizationHumboldt-Universität zu BerlinUniversidade Federal de Juiz de ForaDuke UniversityUniversity of LiverpoolInstitute of Particle PhysicsUniversité de MontréalUniversity of FreiburgNational Institute for Subatomic PhysicsUniversity of AmsterdamObayashi (Japan)Nagoya UniversityOtsuka (Japan)Ochanomizu UniversityHarvard UniversityUppsala UniversityMohamed I UniversityComenius University BratislavaUniversity of Cape TownUniversity of Illinois Urbana-ChampaignShandong UniversityCzech Technical University in PragueUniversity of WuppertalNanjing UniversityAristotle University of ThessalonikiCarleton UniversityYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonThe University of SydneyCharles UniversityHeidelberg UniversityUniversity of CambridgeInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of PittsburghUniversity of BonnThe University of MelbourneUniversity of GenoaUniversity College LondonMax Planck Institute for PhysicsUniversity of OregonSLAC National Accelerator LaboratoryPalacký University OlomoucUniversity of ManchesterUniversity of Science and Technology of ChinaChinese Academy of SciencesInstitute of High Energy PhysicsLancaster UniversityTU Dortmund UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversity of GlasgowUniversity of SiegenBoğaziçi UniversityUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityIstinye UniversityUniversity of BergenStony Brook UniversityUnited Arab Emirates UniversityUniversity of Hassan II CasablancaLaboratoire AstroParticule et CosmologieRoyal Holloway University of LondonTechnische Universität DresdenSouthern Methodist UniversityQueen Mary University of LondonUniversity of JohannesburgUniversity of WürzburgGaziantep UniversityUniversity of BolognaUniversity of Wisconsin–MadisonUniversity of OxfordUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneThe Ohio State UniversityShanghai Jiao Tong UniversityFederico Santa María Technical UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesSimon Fraser UniversityBoston UniversityMichigan State UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesAnkara UniversityIndiana University BloomingtonUniversity of CopenhagenUniversity of IowaUniversity of CalabriaTRIUMFRadboud University NijmegenUniversity of the WitwatersrandIstituto Nazionale di Fisica Nucleare, Sezione di LecceThe University of TokyoTbilisi State UniversityTsinghua UniversityChinese University of Hong KongNational Tsing Hua UniversityFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversity of LjubljanaJožef Stefan InstituteJožef Stefan International Postgraduate SchoolIstituto Nazionale di Fisica Nucleare, Sezione di GenovaInstitut polytechnique de GrenobleUniversité Grenoble AlpesUniversity of British ColumbiaIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsUniversity of California, IrvineUniversity of PennsylvaniaUniversidad de Buenos AiresInstituto de Física de Buenos AiresFundación Ciencias Exactas y NaturalesYork UniversityUniversité Ibn-TofailUniversidade de São PauloNational Centre of Scientific Research "Demokritos"Fermi National Accelerator LaboratoryUniversity of ChicagoThe University of Texas at DallasThe University of AdelaideUniversity of the Philippines DilimanJagiellonian UniversityInstitute of PhysicsUniversity of AlbertaWest University of TimişoaraCalifornia State University, FresnoUniversity of New MexicoUniversity of WarwickShinshu UniversityIowa State UniversityKobe UniversityThe University of OsakaUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiInstitute of Physics, Academia SinicaLaboratoire d’Annecy de Physique des ParticulesUniversity of Hong KongTokyo Institute of TechnologyUniversity of TarapacáWaseda UniversityKyushu UniversityUniversität InnsbruckKyoto UniversityHong Kong University of Science and TechnologyKTH Royal Institute of TechnologyUniversity of PaviaUniversity of SalentoUniversity of UdineUniversity of Rome Tor VergataSapienza University of RomeRoma Tre UniversityUniversity of PisaUniversity of MilanUniversity of Colorado BoulderUniversidade do Estado do Rio de JaneiroTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversity of TrentoUniversidad Antonio NariñoUniversidad Nacional de ColombiaUniversity of TsukubaLouisiana Tech UniversityThe Abdus Salam International Centre for Theoretical Physics (ICTP)University of SharjahTOBB University of Economics and TechnologyUniversität HamburgKyoto University of EducationUniversity of La SerenaUniversity of Coimbra

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Les sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchNeutrino Physics Research

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