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Accès ouvert déclaré 2016 article

Measurement of transverse energy at midrapidity in Pb-Pb collisions at sNN=2.76 TeV

61Citations signalées, ce qui n’est pas une note de qualité
140Institutions déclarées
36Pays d’affiliation déclarés

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

Le résumé fourni par la source

We report the transverse energy $({E}_{\mathrm{T}})$ measured with ALICE at midrapidity in Pb-Pb collisions at $\sqrt{{s}_{\mathit{N}N}}=2.76$ TeV as a function of centrality. The transverse energy was measured using identified single-particle tracks. The measurement was cross checked using the electromagnetic calorimeters and the transverse momentum distributions of identified particles previously reported by ALICE. The results are compared to theoretical models as well as to results from other experiments. The mean ${E}_{\mathrm{T}}$ per unit pseudorapidity $(\ensuremath{\eta})$, $\ensuremath{\langle}d{E}_{\mathrm{T}}/d\ensuremath{\eta}\ensuremath{\rangle}$, in 0%--5% central collisions is $1737\ifmmode\pm\else\textpm\fi{}6(\mathrm{stat}.)\ifmmode\pm\else\textpm\fi{}97(\mathrm{sys}.)$ GeV. We find a similar centrality dependence of the shape of $\ensuremath{\langle}d{E}_{\mathrm{T}}/d\ensuremath{\eta}\ensuremath{\rangle}$ as a function of the number of participating nucleons to that seen at lower energies. The growth in $\ensuremath{\langle}d{E}_{\mathrm{T}}/d\ensuremath{\eta}\ensuremath{\rangle}$ at the LHC energies exceeds extrapolations of low-energy data. We observe a nearly linear scaling of $\ensuremath{\langle}d{E}_{\mathrm{T}}/d\ensuremath{\eta}\ensuremath{\rangle}$ with the number of quark participants. With the canonical assumption of a 1 fm/$c$ formation time, we estimate that the energy density in 0%--5% central Pb-Pb collisions at $\sqrt{{s}_{\mathit{N}N}}=2.76$ TeV is $12.3\ifmmode\pm\else\textpm\fi{}1.0\phantom{\rule{4pt}{0ex}}{\mathrm{GeV}/\mathrm{fm}}^{3}$ and that the energy density at the most central $80\phantom{\rule{4pt}{0ex}}{\text{fm}}^{2}$ of the collision is at least $21.5\ifmmode\pm\else\textpm\fi{}1.7\phantom{\rule{4pt}{0ex}}{\mathrm{GeV}/\mathrm{fm}}^{3}$. This is roughly 2.3 times that observed in 0%--5% central Au-Au collisions at $\sqrt{{s}_{\mathit{N}N}}=200$ GeV.

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Le contrôle bibliographique ouvert

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

Titre Crossref
Measurement of transverse energy at midrapidity in Pb-Pb collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mi mathvariant="italic">NN</mml:mi></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>2.76</mml:mn></mml:mrow></mml:math>TeV
Date Crossref
15/09/2016
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

Czech Technical University in PragueCzech Academy of Sciences, Nuclear Physics InstitutePanjab UniversityEuropean Organization for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di TorinoIndian Institute of Technology BombayVariable Energy Cyclotron CentreAligarh Muslim UniversityKorea Institute of Science & Technology InformationYale UniversityInstitute for Theoretical and Experimental PhysicsUniversidade Estadual de Campinas (UNICAMP)Kurchatov InstituteUniversity of BirminghamUniversidad Nacional Autónoma de MéxicoCentro Ricerche Enrico FermiIstituto Nazionale di Fisica Nucleare, Sezione di BolognaBogolyubov Institute for Theoretical PhysicsUniversidad Autónoma de SinaloaHøgskolen i BergenUniversity of BergenGoethe University FrankfurtFrankfurt Institute for Advanced StudiesHospital Universitário da Universidade de São PauloGSI Helmholtz Centre for Heavy Ion ResearchHeidelberg UniversityRuđer Bošković InstituteIstituto Nazionale di Fisica Nucleare, Sezione di PadovaCentre National de la Recherche ScientifiqueLaboratoire de Physique Subatomique et des Technologies AssociéesInstitut National de Physique Nucléaire et de Physique des ParticulesNantes UniversitéExcellence Cluster UniverseTechnical University of MunichUniversity of OsloIstituto Nazionale di Fisica Nucleare, Sezione di CataniaKonkuk UniversityUniversity of JammuCommissariat à l'Énergie Atomique et aux Énergies AlternativesInstitut de Recherche sur les Lois Fondamentales de l'UniversInstitute of Physics, BhubaneshwarIstituto Nazionale di Fisica Nucleare, Sezione di BariHUN-REN Wigner Research Centre for PhysicsHungarian Academy of SciencesUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneClermont UniversitéCentral China Normal UniversityInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of MünsterJoint Institute for Nuclear ResearchUniversity of CopenhagenInha UniversityIndian Institute of Technology IndoreInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgBenemérita Universidad Autónoma de PueblaUniversity of HoustonWayne State UniversityInstitute of Engineering PhysicsNational Research Nuclear University MEPhIPetersburg Nuclear Physics InstituteUtrecht UniversityGauhati UniversityUniversity of TsukubaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiBose InstituteNational Institute of Science Education and ResearchThe University of Texas at AustinLawrence Berkeley National LaboratoryUniversity of Pavol Jozef ŠafárikPusan National UniversityUniversity of LiverpoolDaresbury LaboratoryNational Research FoundationPurdue University West LafayetteHelsinki Institute of PhysicsAll-Russian Scientific Research Institute of Technical PhysicsCOMSATS University IslamabadThe Ohio State UniversityTechnical University of KošicePontificia Universidad Católica del PerúIstituto Nazionale di Fisica Nucleare, Sezione di TriesteUniversity of Tennessee at KnoxvilleIstituto Nazionale di Fisica Nucleare, Sezione di CagliariCentro de Aplicaciones Tecnológicas y Desarrollo NuclearUniversity of JyväskyläSaha Institute of Nuclear PhysicsCreighton UniversityLyon 1 UniversitéNational Institute for Subatomic PhysicsLund UniversityUniversity of Cape TownSlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesUniversité Paris-SudInstitut de PhysiqueOak Ridge National LaboratoryUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Centro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalInstitute of Space Science - INFLPR SubsidiaryUniversity of SalernoNational Centre for Nuclear ResearchCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversity of ZagrebUniversidade de Santiago de CompostelaInstitute for Nuclear ResearchNational and Kapodistrian University of AthensChicago State UniversityUniversity of SplitWarsaw University of TechnologyA. Alikhanyan National LaboratoryThe University of TokyoUniversity of TübingenSejong UniversityYonsei UniversityKTO Karatay UniversityUniversity of Applied Sciences WormsGangneung–Wonju National UniversityCalifornia Polytechnic State UniversitySuranaree University of TechnologyVestfold University CollegeChina Institute of Atomic EnergyUniversity of the WitwatersrandCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeComenius University BratislavaHiroshima UniversityNagasaki Institute of Applied ScienceUniversity of BresciaBudker Institute of Nuclear PhysicsUniversity of RajasthanIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di LegnaroIndonesian Institute of SciencesCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesStefan Meyer Institute for Subatomic Physics

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

Les sujets associés

High-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle InteractionsParticle physics theoretical and experimental studies

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