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Charged-particle multiplicity measurement in proton–proton collisions at $\sqrt{s}=0.9$ and 2.36 TeV with ALICE at LHC

210Citations signalées, ce qui n’est pas une note de qualité
118Institutions déclarées
31Pays d’affiliation déclarés

Rattachement africain : no, de, us, cu, am, cz, in, ch, hu, mx, kr, jp, ru, it, hr, fr, es, fi, sk, gb, pl, dk, gr, nl, ua, Afrique du Sud, cn, br, se, ro, pe. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

Charged-particle production was studied in proton–proton collisions collected at the LHC with the ALICE detector at centre-of-mass energies 0.9 TeV and 2.36 TeV in the pseudorapidity range |η|<1.4. In the central region (|η|<0.5), at 0.9 TeV, we measure charged-particle pseudorapidity density dNch/dη=3.02±0.01(stat.)+0.08−0.05(syst.) for inelastic interactions, and dNch/dη=3.58±0.01(stat.)+0.12−0.12(syst.) for non-single-diffractive interactions. At 2.36 TeV, we find dNch/dη=3.77±0.01(stat.)+0.25−0.12(syst.) for inelastic, and dNch/dη=4.43±0.01(stat.)+0.17−0.12(syst.) for non-single-diffractive collisions. The relative increase in charged-particle multiplicity from the lower to higher energy is 24.7%±0.5%(stat.)+5.7−2.8%(syst.) for inelastic and 23.7%±0.5%(stat.)+4.6−1.1%(syst.) for non-single-diffractive interactions. This increase is consistent with that reported by the CMS collaboration for non-single-diffractive events and larger than that found by a number of commonly used models. The multiplicity distribution was measured in different pseudorapidity intervals and studied in terms of KNO variables at both energies. The results are compared to proton–antiproton data and to model predictions.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Charged-particle multiplicity measurement in proton–proton collisions at $\sqrt{s}=0.9$ and 2.36 TeV with ALICE at LHC
Date Crossref
12/06/2010
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

University of OsloHeidelberg UniversityCreighton UniversityCentro de Aplicaciones Tecnológicas y Desarrollo NuclearA. Alikhanyan National LaboratoryCzech Academy of Sciences, Nuclear Physics InstitutePanjab UniversityEuropean Organization for Nuclear ResearchInstitute for Particle and Nuclear PhysicsHungarian Academy of SciencesUniversidad Nacional Autónoma de MéxicoVariable Energy Cyclotron CentreAligarh Muslim UniversityGangneung–Wonju National UniversityThe University of TokyoInstitute for Theoretical and Experimental PhysicsKurchatov InstituteIstituto Nazionale di Fisica Nucleare, Sezione di TorinoIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BergenIstituto Nazionale di Fisica Nucleare, Sezione di BariGSI Helmholtz Centre for Heavy Ion ResearchThe Ohio State UniversityRuđer Bošković InstituteGoethe University FrankfurtCentre National de la Recherche ScientifiqueLaboratoire de Physique Subatomique et des Technologies AssociéesInstitut National de Physique Nucléaire et de Physique des ParticulesNantes UniversitéUniversidade de Santiago de CompostelaYale UniversityOak Ridge National LaboratoryHelsinki Institute of PhysicsUniversity of JyväskyläFrankfurt Institute for Advanced StudiesIstituto Nazionale di Fisica Nucleare, Sezione di CataniaCommissariat à l'Énergie Atomique et aux Énergies AlternativesInstitut de Recherche sur les Lois Fondamentales de l'UniversUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneClermont UniversitéUniversity of Pavol Jozef ŠafárikUniversity of BirminghamInstitute of Nuclear Physics, Polish Academy of SciencesAll-Russian Scientific Research Institute of Technical PhysicsUniversity of MünsterJoint Institute for Nuclear ResearchUniversity of CopenhagenIstituto Nazionale di Fisica Nucleare, Sezione di CagliariInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgWayne State UniversityNational and Kapodistrian University of AthensPetersburg Nuclear Physics InstituteUniversity of JammuIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di PadovaCzech Technical University in PragueNational Institute for Subatomic PhysicsUniversité Paris-SudInstitut de PhysiqueInstitute of Engineering PhysicsNational Research Nuclear University MEPhIInstitute for High Energy PhysicsYonsei UniversityBogolyubov Institute for Theoretical PhysicsSaha Institute of Nuclear PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di TriesteUniversity of Cape TowniThemba LaboratoryCentral China Normal UniversityCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalLyon 1 UniversitéInstitute of Nuclear Physics of LyonUniversidade Estadual de Campinas (UNICAMP)Pusan National UniversityUtrecht UniversityLund UniversityUniversity of TsukubaHiroshima UniversityUniversity of Applied Sciences WormsUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Tecnologie Avanzate (Italy)Benemérita Universidad Autónoma de PueblaCentro de Investigaciones Energéticas, Medioambientales y TecnológicasInstitute of Space Science - INFLPR SubsidiaryInstitute of Physics, BhubaneshwarHospital Universitário da Universidade de São PauloUniversity of SalernoNational Centre for Nuclear ResearchUniversity of HoustonUniversité Joseph FourierLaboratoire de Physique Subatomique et de CosmologieComenius University BratislavaBudker Institute of Nuclear PhysicsLawrence Livermore National LaboratoryUniversidad Autónoma de SinaloaUniversity of SplitInstitute for Nuclear ResearchUniversity of Tennessee at KnoxvilleSejong UniversityHøgskolen i BergenLawrence Berkeley National LaboratoryIndian Institute of Technology BombaySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesTechnische Universität DarmstadtWarsaw University of TechnologyCalifornia Polytechnic State UniversityTH Köln - University of Applied SciencesChina Institute of Atomic EnergyCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicIstituto Nazionale di Fisica Nucleare, Sezione di Roma IPontificia Universidad Católica del PerúUniversity of RajasthanIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di LegnaroPurdue University West Lafayette

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

Les sujets associés

High-Energy Particle Collisions ResearchParticle physics theoretical and experimental studiesQuantum Chromodynamics and Particle Interactions

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