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Measurements of ψ(2S) and X(3872) → J/ψπ + π − production in pp collisions at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector

77Citations signalées, ce qui n’est pas une note de qualité
250Institutions déclarées
42Pays d’affiliation déclarés

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

Le résumé fourni par la source

Differential cross sections are presented for the prompt and non-prompt production of the hidden-charm states X(3872) and ψ(2S), in the decay mode J/ψπ$^{+}$ π$^{−}$, measured using 11.4 fb$^{−1}$ of pp collisions at $ \sqrt{s}=8 $ TeV by the ATLAS detector at the LHC. The ratio of cross-sections X(3872)/ψ(2S) is also given, separately for prompt and non-prompt components, as well as the non-prompt fractions of X(3872) and ψ(2S). Assuming independent single effective lifetimes for non-prompt X(3872) and ψ(2S) production gives $ {R}_B=\frac{\mathrm{\mathcal{B}}\left(B\to X(3872)+\mathrm{any}\right)\mathrm{\mathcal{B}}\left(X(3872)\to J/\psi {\pi}^{+}{\pi}^{-}\right)}{\mathrm{\mathcal{B}}\left(B\to \psi (2S)+\mathrm{any}\right)\mathrm{\mathcal{B}}\left(\psi (2S)\to J/\psi {\pi}^{+}{\pi}^{-}\right)}=\left(3.95\pm 0.32\left(\mathrm{s}\mathrm{tat}\right)\pm 0.08\left(\mathrm{s}\mathrm{y}\mathrm{s}\right)\right)\times {10}^{-2} $ separating short- and long-lived contributions, assuming that the short-lived component is due to B$_{c}$ decays, gives R$_{B}$ = (3.57 ± 0.33(stat) ± 0.11(sys)) × 10$^{−2}$, with the fraction of non-prompt X(3872) produced via B$_{c}$ decays for p$_{T}$(X(3872)) > 10 GeV being (25 ± 13(stat) ± 2(sys) ± 5(spin))%. The distributions of the dipion invariant mass in the X(3872) and ψ(2S) decays are also measured and compared to theoretical predictions.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurements of ψ(2S) and X(3872) → J/ψπ + π − production in pp collisions at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector
Date Crossref
01/01/2017
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

Mohamed I UniversityCentre National de la Recherche ScientifiqueAix-Marseille UniversitéCentre de physique des particules de MarseilleInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of OklahomaThe University of Texas at ArlingtonAzerbaijan National Academy of SciencesUniversité Paris-SudUniversité Paris-SaclayNational Institute for Subatomic PhysicsUniversity of AmsterdamUniversity of California, Santa CruzUniversity of SussexTel Aviv UniversityTechnion – Israel Institute of TechnologyUniversity of OregonStockholm UniversityIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineThe University of TokyoAGH University of KrakowBrookhaven National LaboratoryNorthern Illinois UniversityLudwig-Maximilians-Universität MünchenRutherford Appleton LaboratoryUniversity of LiverpoolUniversity of BelgradeUniversity of GöttingenLIP - Laboratory of Instrumentation and Experimental Particle PhysicsBoston UniversityIstituto Nazionale di Fisica Nucleare, Roma Tor VergataLund UniversityP.N. Lebedev Physical Institute of the Russian Academy of SciencesIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataEuropean Organization for Nuclear ResearchJoint Institute for Nuclear ResearchNational Technical University of AthensIstituto Nazionale di Fisica Nucleare, Sezione di LecceIstituto Nazionale di Fisica Nucleare, Sezione di MilanoFermi National Accelerator LaboratoryUniversity of ChicagoColumbia UniversityUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of CopenhagenUniversity of WashingtonUniversity of GlasgowUniversitat de ValènciaInstituto de Física CorpuscularInstitut de Microelectrònica de BarcelonaLawrence Berkeley National LaboratoryUniversity of California, BerkeleyHigh Energy Accelerator Research OrganizationUniversidade Federal do Rio de JaneiroBrandeis UniversityUniversity of MichiganUniversity of SheffieldUniversity of GenevaThe University of Texas at AustinHeidelberg UniversityNational and Kapodistrian University of AthensTechnische Universität DresdenSiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsInstitute for High Energy PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiNational Research Nuclear University MEPhIIstituto Nazionale di Fisica Nucleare, Sezione di Roma IMichigan State UniversityDuke UniversityInstitute of Particle PhysicsUniversité de MontréalUniversity of IowaBoğaziçi UniversitySLAC National Accelerator LaboratoryQueen Mary University of LondonUniversity of FreiburgUniversity of CambridgeUniversity of BonnInstitute for Theoretical and Experimental PhysicsUniversity of OxfordJohannes Gutenberg University MainzComenius University BratislavaUniversity of Illinois Urbana-ChampaignUniversity of SiegenCzech Technical University in PragueCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversChinese Academy of SciencesInstitute of High Energy PhysicsYale UniversityWeizmann Institute of ScienceStony Brook UniversityUniversity of PennsylvaniaInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of Wisconsin–MadisonUniversity of WuppertalThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaMax Planck Institute for PhysicsUniversity of ManchesterUniversité Savoie Mont BlancIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreUniversidad Autónoma de MadridLancaster UniversityKurchatov InstitutePetersburg Nuclear Physics InstituteUniversity of TorontoThe Ohio State UniversityUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of BernUniversity of WarwickNew York UniversityBahçeşehir UniversityGaziantep UniversityMcGill UniversityCarleton UniversityUniversity of Massachusetts AmherstUniversity of Hassan II CasablancaUppsala UniversityRoyal Holloway University of LondonCharles UniversityUniversity of PittsburghHumboldt-Universität zu BerlinThe University of SydneyArgonne National LaboratoryPontificia Universidad Católica de ChileInstitute for High Energy PhysicsChinese University of Hong KongUniversidad de Buenos AiresUniversity at Albany, State University of New YorkUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneClermont UniversitéTokyo Metropolitan UniversityUniversity of EdinburghFederico Santa María Technical UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesUniversity of BergenSimon Fraser UniversityUniversity of OsloTU Dortmund UniversityUniversity College LondonAnkara UniversityTRIUMFShanghai Jiao Tong UniversityOklahoma State UniversitySouthern Methodist UniversityRadboud University NijmegenUniversity of California, IrvineUniversity of Cape TownUniversidade Federal de Juiz de ForaIstanbul Bilgi UniversityHarvard UniversityNanjing UniversityTsinghua UniversityMohammed V UniversityUniversity of ArizonaIndiana University BloomingtonCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicPalacký University OlomoucUniversity of LjubljanaJožef Stefan InstituteOsservatorio astronomico di BolognaUniversity of BolognaIowa State UniversityUniversity of JohannesburgUniversity of AlbertaUniversity of British ColumbiaTbilisi State UniversityFederal University of São João del-ReiUniversidade de São PauloIstituto Nazionale di Fisica Nucleare, Sezione di PaviaJustus-Liebig-Universität GießenCadi Ayyad UniversityShandong UniversityNagasaki Institute of Applied ScienceUniversity of Science and Technology of ChinaUniversity of CalabriaAristotle University of ThessalonikiLomonosov Moscow State UniversityUniversity of New MexicoWest University of TimişoaraLouisiana Tech UniversityUniversität InnsbruckUniversity of TsukubaA. Alikhanyan National LaboratoryNational Academy of Sciences of BelarusB.I. Stepanov Institute of PhysicsKobe UniversityShinshu UniversityTokyo Institute of TechnologyUniversity of WürzburgObayashi (Japan)Nagoya UniversityInstitute of Physics, Academia SinicaWaseda UniversityThe University of OsakaIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsThe University of Texas at DallasThe University of AdelaideUniversity of the WitwatersrandKyushu UniversityIstanbul Aydın UniversityKyoto UniversityUniversity of SalentoUniversidad Antonio NariñoKTH Royal Institute of TechnologyYork UniversityUniversity of GenoaUniversity of MilanHiroshima Institute of TechnologyOkayama University of ScienceUniversity of Hong KongJagiellonian UniversityInstitute of PhysicsEötvös Loránd UniversityNational Institute for Research and Development of Isotopic and Molecular TechnologiesHong Kong University of Science and TechnologyUniversity of South CarolinaCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of PisaBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergyUniversity of LisbonTOBB University of Economics and TechnologyRoma Tre UniversityKyoto University of EducationInstitute for Particle and Nuclear PhysicsHUN-REN Wigner Research Centre for PhysicsSapienza University of RomeNational Research Tomsk State UniversityUniversity of CoimbraFlensburg University of Applied SciencesUniversity of MalayaMoscow Institute of Physics and Technology

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Les sujets associés

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

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