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Accès ouvert déclaré 2024 article

K*(892)± resonance production in Pb-Pb collisions at sNN=5.02 TeV

12Citations signalées, ce qui n’est pas une note de qualité
148Institutions déclarées
36Pays d’affiliation déclarés

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

Le résumé fourni par la source

The production of K*(892)± meson resonance is measured at midrapidity ( |y|<0.5 ) in Pb−Pb collisions at sNN=5.02 TeV using the ALICE detector at the CERN Large Hadron Collider. The resonance is reconstructed via its hadronic decay channel K*(892)±→KS0π± . The transverse momentum distributions are obtained for various centrality intervals in the pT range of 0.4−16 GeV/c . Measurements of integrated yields, mean transverse momenta, and particle yield ratios are reported and found to be consistent with previous ALICE measurements for K*(892)0 within uncertainties. The pT -integrated yield ratio 2K*(892)±/(K++K− ) in central Pb−Pb collisions shows a significant suppression at a level of 9.3σ relative to pp collisions. Thermal model calculations result in an overprediction of the particle yield ratio. Although both hadron resonance gas in partial chemical equilibrium (HRG-PCE) and + simulations consider the hadronic phase, only HRG-PCE accurately represents the measurements, whereas + simulations tend to overpredict the particle yield ratio. These observations, along with the kinetic freeze-out temperatures extracted from the yields measured for light-flavored hadrons using the HRG-PCE model, indicate a finite hadronic phase lifetime, which decreases with increasing collision centrality percentile. The pT -differential yield ratios 2K*(892)±/(K++K− ) and 2K*(892)±/(π++π− ) are presented and compared with measurements in pp collisions at s=5.02 TeV. Both particle ratios are found to be suppressed by up to a factor of five at pT<2.0 GeV/c in central Pb−Pb collisions and are qualitatively consistent with expectations for rescattering effects in the hadronic phase. The nuclear modification factor ( RAA ) shows a smooth evolution with centrality and is found to be below unity at pT>8 GeV/c , consistent with measurements for other light-flavored hadrons. The smallest values are observed in most central collisions, indicating larger energy loss of partons traversing the dense medium. ©2024 CERN, for the ALICE Collaboration 2024 CERN

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Le contrôle bibliographique ouvert

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

Titre Crossref
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msup><mml:mi>K</mml:mi><mml:mo>*</mml:mo></mml:msup><mml:msup><mml:mrow><mml:mo>(</mml:mo><mml:mn>892</mml:mn><mml:mo>)</mml:mo></mml:mrow><mml:mo>±</mml:mo></mml:msup></mml:mrow></mml:math> resonance production 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:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn></mml:mrow></mml:math> TeV
Date Crossref
03/04/2024
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

Centre National de la Recherche ScientifiqueUniversité Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesCzech Academy of Sciences, Nuclear Physics InstituteEuropean Organization for Nuclear ResearchPolitecnico di TorinoIstituto Nazionale di Fisica Nucleare, Sezione di BolognaVariable Energy Cyclotron CentreHomi Bhabha National InstituteAligarh Muslim UniversityKorea Institute of Science & Technology InformationUniversity of Pavol Jozef ŠafárikGSI Helmholtz Centre for Heavy Ion ResearchIstituto Nazionale di Fisica Nucleare, Sezione di TorinoCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoUniversity of HoustonUniversity of BergenIstituto Nazionale di Fisica Nucleare, Sezione di CagliariGoethe University FrankfurtIstituto Nazionale di Fisica Nucleare, Sezione di BariTechnical University of MunichBenemérita Universidad Autónoma de PueblaHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringUniversity of DerbyUniversity of MünsterHeidelberg UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PadovaLawrence Berkeley National LaboratoryLaboratoire de Physique Subatomique et des Technologies AssociéesIMT AtlantiqueNantes UniversitéLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesHospital Universitário da Universidade de São PauloUniversity of OsloYale UniversityThe University of TokyoIstituto Nazionale di Fisica Nucleare, Sezione di CataniaSungkyunkwan UniversityGangneung–Wonju National UniversityUniversity of Science and Technology of ChinaIndian Institute of Technology IndoreCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversJagiellonian UniversityAGH University of KrakowBose InstituteUniversity of JammuNational and Kapodistrian University of AthensGauhati UniversityHUN-REN Wigner Research Centre for PhysicsDaresbury LaboratoryUniversity of LiverpoolLund UniversityIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgInstitute of Space Science - INFLPR SubsidiaryIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiCzech Technical University in PragueInstitute of Nuclear Physics, Polish Academy of SciencesThe University of Texas at AustinFrankfurt Institute for Advanced StudiesUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaOak Ridge National LaboratoryInha UniversityUniversity of BresciaPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di TriesteStefan Meyer Institute for Subatomic PhysicsUniversity of the WitwatersrandNational Research FoundationUniversity of SalernoUniversidad Autónoma de SinaloaUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiLyon 1 UniversitéInstitut de Physique des 2 Infinis de LyonSaha Institute of Nuclear PhysicsUniversidade Estadual de Campinas (UNICAMP)National Institute for Subatomic PhysicsUniversity of TsukubaUniversity of BirminghamLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Universidade Federal do ABCNational Institute of Science Education and ResearchUniversity of California, BerkeleyCentro de Aplicaciones Tecnológicas y Desarrollo NuclearUniversity of Cape TownWarsaw University of TechnologyPanjab UniversityTechnical University of KošiceComenius University BratislavaHiroshima UniversityUnited Nations University Institute for Sustainability and PeaceUniversity of TriesteSaga UniversityChicago State UniversityUniversity of KansasUniversidade Federal do Rio Grande do SulUniversity of Tennessee at KnoxvilleNagasaki Institute of Applied ScienceWayne State UniversityUniversity of SplitUtrecht UniversityA. Alikhanyan National LaboratoryYonsei UniversityUniversity of JyväskyläUniversity of BonnWestern Norway University of Applied SciencesCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalThe Ohio State UniversityCOMSATS University IslamabadNational Nuclear Energy Agency of IndonesiaNational Research and Innovation AgencyPusan National UniversityChina Institute of Atomic EnergySuranaree University of TechnologySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesKTO Karatay UniversityUniversity of ZagrebJeonbuk National UniversitySejong UniversityCalifornia Polytechnic State UniversitySofia University "St. Kliment Ohridski"National Centre for Nuclear ResearchUniversity of South-Eastern NorwayFudan UniversityUniversity of MessinaUniversity of FoggiaHelsinki Institute of PhysicsChungbuk National UniversityChina University of GeosciencesCreighton UniversityNational Nuclear Research CenterInstitute of Physics, BhubaneshwarUniversity of TübingenNara Women's UniversityNational Academy of Sciences of UkraineBogolyubov Institute for Theoretical PhysicsFZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic

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

Les sujets associés

High-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle InteractionsNuclear reactor physics and engineering

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