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Accès ouvert déclaré 2017 article

K*(892)0 and ϕ(1020) meson production at high transverse momentum in pp and Pb-Pb collisions at sNN=2.76 TeV

123Citations signalées, ce qui n’est pas une note de qualité
147Institutions déclarées
37Pays d’affiliation déclarés

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

Le résumé fourni par la source

The production of ${K}^{*}{(892)}^{0}$ and $\ensuremath{\phi}(1020)$ mesons in proton-proton ($pp$) and lead-lead (Pb-Pb) collisions at $\sqrt{{s}_{\mathit{NN}}}=2.76\phantom{\rule{4pt}{0ex}}\mathrm{TeV}$ has been analyzed using a high luminosity data sample accumulated in 2011 with the ALICE detector at the Large Hadron Collider (LHC). Transverse momentum (${p}_{\mathrm{T}}$) spectra have been measured for ${K}^{*}{(892)}^{0}$ and $\ensuremath{\phi}(1020)$ mesons via their hadronic decay channels for ${p}_{\mathrm{T}}$ up to $20\phantom{\rule{4pt}{0ex}}\mathrm{GeV}/c$. The measurements in $pp$ collisions have been compared to model calculations and used to determine the nuclear modification factor and particle ratios. The ${K}^{*}{(892)}^{0}/K$ ratio exhibits significant reduction from $pp$ to central Pb-Pb collisions, consistent with the suppression of the ${K}^{*}{(892)}^{0}$ yield at low ${p}_{\mathrm{T}}$ due to rescattering of its decay products in the hadronic phase. In central Pb-Pb collisions the ${p}_{\mathrm{T}}$ dependent $\ensuremath{\phi}(1020)/\ensuremath{\pi}$ and ${K}^{*}{(892)}^{0}/\ensuremath{\pi}$ ratios show an enhancement over $pp$ collisions for ${p}_{\mathrm{T}}\ensuremath{\approx}3\phantom{\rule{4pt}{0ex}}\mathrm{GeV}/c$, consistent with previous observations of strong radial flow. At high ${p}_{\mathrm{T}}$, particle ratios in Pb-Pb collisions are similar to those measured in $pp$ collisions. In central Pb-Pb collisions, the production of ${K}^{*}{(892)}^{0}$ and $\ensuremath{\phi}(1020)$ mesons is suppressed for ${p}_{\mathrm{T}}>8\phantom{\rule{4pt}{0ex}}\mathrm{GeV}/c$. This suppression is similar to that of charged pions, kaons, and protons, indicating that the suppression does not depend on particle mass or flavor in the light quark sector.

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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:mn>0</mml:mn></mml:msup></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>ϕ</mml:mi><mml:mo>(</mml:mo><mml:mn>1020</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:math> meson production at high transverse momentum in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:mrow></mml:math> and 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
12/06/2017
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 ResearchPolitecnico di TorinoIstituto 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 PhysicsHøgskolen i BergenUniversity of BergenGoethe University FrankfurtFrankfurt Institute for Advanced StudiesHospital Universitário da Universidade de São PauloCentral China Normal UniversityGSI Helmholtz Centre for Heavy Ion ResearchHeidelberg UniversityCreighton UniversityRuđer Bošković InstituteIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of HoustonCentre 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 AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversUniversity of BonnInstitute 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 UniversitéInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of MünsterJoint Institute for Nuclear ResearchUniversity of CopenhagenInha UniversityInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgBenemérita Universidad Autónoma de PueblaUniversidad Autónoma de SinaloaInstitute of Engineering PhysicsNational Research Nuclear University MEPhIPetersburg Nuclear Physics InstituteUtrecht UniversityUniversity of Tennessee at KnoxvilleGauhati UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiWayne State UniversityBose InstituteThe University of Texas at AustinUniversity of PaviaLawrence Berkeley National LaboratoryUniversity of Pavol Jozef ŠafárikUniversity of BresciaPusan National UniversityUniversity of LiverpoolPurdue University West LafayetteHelsinki Institute of PhysicsAll-Russian Scientific Research Institute of Technical PhysicsStefan Meyer Institute for Subatomic PhysicsUniversity of TsukubaNational Research FoundationCOMSATS University IslamabadThe Ohio State UniversityTechnical University of KošicePontificia Universidad Católica del PerúIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Sezione di CagliariCentro de Aplicaciones Tecnológicas y Desarrollo NuclearUniversity of JyväskyläSaha Institute of Nuclear PhysicsLyon 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”Universidade Federal do ABCCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalInstitute of Space Science - INFLPR SubsidiaryNational Institute of Science Education and ResearchIndian Institute of Technology IndoreUniversity 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 UniversityUniversidade Federal do Rio Grande do SulUniversity of SplitWarsaw University of TechnologyA. Alikhanyan National LaboratoryThe University of TokyoNagasaki Institute of Applied ScienceUniversity of TübingenCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicSejong UniversityYonsei UniversityKTO Karatay UniversityUniversity of Applied Sciences WormsGangneung–Wonju National UniversityCalifornia Polytechnic State UniversitySuranaree University of TechnologyVestfold University CollegeDaresbury LaboratoryChina Institute of Atomic EnergyUniversity of the WitwatersrandIstituto Nazionale di Fisica Nucleare, Sezione di Roma IComenius University BratislavaHiroshima UniversityBudker Institute of Nuclear PhysicsUniversity of RajasthanIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di LegnaroNational Nuclear Research CenterIndonesian Institute of SciencesCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des Particules

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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