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Accès ouvert déclaré 2012 article

Measurement of the Pseudorapidity and Centrality Dependence of the Transverse Energy Density in Pb-Pb Collisions at s NN = 2.76 TeV

88Citations signalées — pas une note de qualité
184Institutions déclarées
38Pays d’affiliation déclarés

Résumé fourni par la source

The transverse energy (${E}_{\mathrm{T}}$) in Pb-Pb collisions at 2.76 TeV nucleon-nucleon center-of-mass energy ($\sqrt{{s}_{\mathrm{NN}}}$) has been measured over a broad range of pseudorapidity ($\ensuremath{\eta}$) and collision centrality by using the CMS detector at the LHC. The transverse energy density per unit pseudorapidity ($d{E}_{\mathrm{T}}/d\ensuremath{\eta}$) increases faster with collision energy than the charged particle multiplicity. This implies that the mean energy per particle is increasing with collision energy. At all pseudorapidities, the transverse energy per participating nucleon increases with the centrality of the collision. The ratio of transverse energy per unit pseudorapidity in peripheral to central collisions varies significantly as the pseudorapidity increases from $\ensuremath{\eta}=0$ to $|\ensuremath{\eta}|=5.0$. For the 5% most central collisions, the energy density per unit volume is estimated to be about $14\text{ }\text{ }\mathrm{GeV}/{\mathrm{fm}}^{3}$ at a time of $1\text{ }\text{ }\mathrm{fm}/c$ after the collision. This is about 100 times larger than normal nuclear matter density and a factor of 2.6 times higher than the energy density reported at $\sqrt{{s}_{\mathrm{NN}}}=200\text{ }\text{ }\mathrm{GeV}$ at the Relativistic Heavy Ion Collider.

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Contrôle bibliographique ouvert

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

Titre Crossref
Measurement of the Pseudorapidity and Centrality Dependence of the Transverse Energy Density in Pb-Pb Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mi>NN</mml:mi> </mml:msub> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>2.76</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>TeV</mml:mi> </mml:math>
Date Crossref
08/10/2012
Éditeur
American Physical Society (APS)
Type
journal-article

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Institutions déclarées

A. Alikhanyan National LaboratoryInstitute of High Energy PhysicsUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesInstitute of High Energy PhysicsGhent University HospitalUCLouvainUniversity of MonsCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Estadual Paulista (Unesp)Institute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"Peking UniversityMassachusetts Institute of TechnologyUniversidad de Los AndesUniversidad de OviedoUniversity of Maryland, College ParkUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityAcademy of Scientific Research and TechnologyKansas State UniversityNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesLyon 1 UniversitéInstitute of Nuclear Physics of LyonTbilisi State UniversityRWTH Aachen UniversityETH ZurichDeutsches Elektronen-Synchrotron DESYUniversity of California, Los AngelesUniversität HamburgMax Planck Institute for Nuclear PhysicsNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensUniversity of IoanninaInstitute for Particle and Nuclear PhysicsHUN-REN Institute for Nuclear ResearchUniversity of DebrecenPanjab UniversityEuropean Organization for Nuclear ResearchUniversity of DelhiUniversity at Buffalo, State University of New YorkUniversity of California San DiegoTata Institute of Fundamental ResearchSaha Institute of Nuclear PhysicsBrown UniversityBhabha Atomic Research CentreInstitute for Research in Fundamental SciencesIstituto Nazionale di Fisica Nucleare, Sezione di BariPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiUniversity of CataniaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Naples Federico IIIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of PaduaUniversity of TrentoUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaScuola Normale SuperioreIstituto Nazionale di Fisica Nucleare, Sezione di PisaUniversity of PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKangwon National UniversityKorea UniversityKyungpook National UniversityChonnam National UniversityUniversity of SeoulSungkyunkwan UniversityTexas Tech UniversityVilnius UniversityInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalIbero American UniversityBenemérita Universidad Autónoma de PueblaAutonomous University of San Luis PotosíUniversity of AucklandUniversity of CanterburyAbdus Salam Centre for PhysicsNational Centre for Nuclear ResearchUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchPetersburg Nuclear Physics InstituteInstitute for Nuclear ResearchInstitute for Theoretical and Experimental PhysicsLomonosov Moscow State UniversityRutherford Appleton LaboratoryP.N. Lebedev Physical Institute of the Russian Academy of SciencesInstitute for High Energy PhysicsUniversity of BelgradeVinča Institute of Nuclear SciencesCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridUniversidad de CantabriaInstituto de Física de CantabriaPaul Scherrer InstituteUniversity of ZurichNational Central UniversityNational Taiwan UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityKharkiv Institute of Physics and TechnologyUniversity of BristolImperial College LondonBrunel University of LondonBaylor UniversityUniversity of California, RiversideUniversity of AlabamaBoston UniversityUniversity of California, DavisUniversity of Colorado BoulderUniversity of California, Santa BarbaraCalifornia Institute of TechnologyCarnegie Mellon UniversityCornell UniversityFairfield UniversityFermi National Accelerator LaboratoryUniversity of FloridaFlorida International UniversityFlorida State UniversityFlorida Institute of TechnologyUniversity of Illinois ChicagoUniversity of IowaJohns Hopkins UniversityUniversity of KansasUniversity of VirginiaLawrence Livermore National LaboratoryUniversity of MinnesotaUniversity of MississippiUniversity of Nebraska–LincolnRockefeller UniversityNortheastern UniversityNorthwestern UniversityUniversity of Notre DameThe Ohio State UniversityPrinceton UniversityUniversity of Puerto Rico-MayaguezPurdue University West LafayettePurdue University NorthwestRice UniversityUniversity of RochesterRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleTexas A&M UniversityVanderbilt UniversityWayne State UniversityUniversity of Wisconsin–Madison

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Sujets associés

High-Energy Particle Collisions ResearchNuclear reactor physics and engineeringQuantum Chromodynamics and Particle Interactions

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