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Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{NN}}}=2.76 $$ TeV

108Citations signalées, ce qui n’est pas une note de qualité
140Institutions déclarées
35Pays d’affiliation déclarés

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

Le résumé fourni par la source

We report the measurement of a new observable of jet quenching in central Pb-Pb collisions at √ s NN = 2.76 TeV, based on the semi-inclusive rate of charged jets recoiling from a high transverse momentum (high-p T ) charged hadron trigger.Jets are measured using collinear-safe jet reconstruction with infrared cutoff for jet constituents of 0.15 GeV, for jet resolution parameters R = 0.2, 0.4 and 0.5.Underlying event background is corrected at the event-ensemble level, without imposing bias on the jet population.Recoil jet spectra are reported in the range 20 < p ch T,jet < 100 GeV.Reference distributions for pp collisions at √ s = 2.76 TeV are calculated using Monte Carlo and NLO pQCD methods, which are validated by comparing with measurements in pp collisions at √ s = 7 TeV.The recoil jet yield in central Pb-Pb collisions is found to be suppressed relative to that in pp collisions.No significant medium-induced broadening of the intra-jet energy profile is observed within 0.5 radians relative to the recoil jet axis.The angular distribution of the recoil jet yield relative to the trigger axis is found to be similar in central Pb-Pb and pp collisions, with no significant medium-induced acoplanarity observed.Large-angle jet deflection, which may provide a direct probe of the nature of the quasi-particles in hot QCD matter, is explored.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{NN}}}=2.76 $$ TeV
Date Crossref
01/09/2015
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

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 CentreKorea Institute of Science & Technology InformationPolitecnico di TorinoYale UniversityCOMSATS University IslamabadInstitute for Theoretical and Experimental PhysicsKurchatov 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 BergenHospital Universitário da Universidade de São PauloGSI Helmholtz Centre for Heavy Ion ResearchHeidelberg UniversityUniversity of MünsterRuđer 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 UniversitéGoethe University FrankfurtUniversidade de Santiago de CompostelaUniversity of OsloAligarh Muslim UniversityFrankfurt Institute for Advanced StudiesIstituto Nazionale di Fisica Nucleare, Sezione di CataniaGangneung–Wonju National 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 SciencesJoint Institute for Nuclear ResearchUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgBenemérita Universidad Autónoma de PueblaUniversity of HoustonInstitute of Engineering PhysicsNational Research Nuclear University MEPhIPetersburg Nuclear Physics InstituteUtrecht UniversityGauhati UniversityUniversity of TsukubaWayne State UniversityBose InstituteCentro de Investigaciones Energéticas, Medioambientales y TecnológicasLawrence Berkeley National LaboratoryUniversity of Pavol Jozef ŠafárikPusan National UniversityDaresbury LaboratoryNational Research FoundationPurdue University West LafayetteHelsinki Institute of PhysicsAll-Russian Scientific Research Institute of Technical PhysicsThe Ohio State UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiPontificia Universidad Católica del PerúIstituto Nazionale di Fisica Nucleare, Sezione di TriesteUniversity of Tennessee SystemUniversity of Tennessee at KnoxvilleIstituto Nazionale di Fisica Nucleare, Sezione di CagliariCentro de Aplicaciones Tecnológicas y Desarrollo NuclearTechnical University of KošiceUniversity of JyväskyläUniversity of LiverpoolSaha Institute of Nuclear PhysicsCreighton UniversityLyon 1 UniversitéUniversidade Estadual de Campinas (UNICAMP)National Institute for Subatomic PhysicsLund UniversityUniversity of Cape TownLaboratoire 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 NacionalExcellence Cluster UniverseTechnical University of MunichInstitute of Space Science - INFLPR SubsidiaryUniversity of SalernoNational Centre for Nuclear ResearchUniversity of ZagrebInstitute for Nuclear ResearchNational and Kapodistrian University of AthensChicago State UniversityUniversity of SplitWarsaw University of TechnologyA. Alikhanyan National LaboratoryThe University of TokyoUniversity of TübingenSejong UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesYonsei UniversityKTO Karatay UniversityUniversity of Applied Sciences WormsCalifornia Polytechnic State UniversityThe University of Texas at AustinSuranaree University of TechnologyNational Institute of Science Education and ResearchInha UniversityVestfold University CollegeChina 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 IComenius University BratislavaInstitute of Economic SciencesVinča Institute of Nuclear SciencesIndian Institute of Technology IndoreKonkuk UniversityHiroshima UniversityBudker Institute of Nuclear PhysicsUniversity of RajasthanIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di LegnaroLawrence Livermore National LaboratoryCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of the Witwatersrand

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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