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Accès ouvert déclaré 2019 article

Charged-particle pseudorapidity density at mid-rapidity in p–Pb collisions at $$\pmb {\sqrt{s_{\scriptscriptstyle {\mathrm{NN}}}}}$$ s NN = 8.16 TeV

24Citations signalées, ce qui n’est pas une note de qualité
151Institutions déclarées
36Pays d’affiliation déclarés

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

Le résumé fourni par la source

The pseudorapidity density of charged particles, $$\mathrm {d}N_{\mathrm{ch}}/\mathrm {d}\eta $$ d N ch / d η , in p–Pb collisions has been measured at a centre-of-mass energy per nucleon–nucleon pair of $$\sqrt{s_{\scriptscriptstyle {\mathrm{NN}}}}$$ s NN = 8.16 TeV at mid-pseudorapidity for non-single-diffractive events. The results cover 3.6 units of pseudorapidity, $$|\eta |<1.8$$ | η | < 1.8 . The $$\mathrm {d}N_{\mathrm{ch}}/\mathrm {d}\eta $$ d N ch / d η value is $$19.1\pm 0.7$$ 19.1 ± 0.7 at $$|\eta |<0.5$$ | η | < 0.5 . This quantity divided by $$\langle N_{\mathrm{part}} \rangle $$ ⟨ N part ⟩ / 2 is $$4.73\pm 0.20$$ 4.73 ± 0.20 , where $$\langle N_{\mathrm{part}} \rangle $$ ⟨ N part ⟩ is the average number of participating nucleons, is 9.5% higher than the corresponding value for p–Pb collisions at $$\sqrt{s_{\scriptscriptstyle {\mathrm{NN}}}}$$ s NN = 5.02 TeV. Measurements are compared with models based on different mechanisms for particle production. All models agree within uncertainties with data in the Pb-going side, while HIJING overestimates, showing a symmetric behaviour, and EPOS underestimates the p-going side of the $$\mathrm {d}N_{\mathrm{ch}}/\mathrm {d}\eta $$ d N ch / d η distribution. Saturation-based models reproduce the distributions well for $$\eta >-1.3$$ η > - 1.3 . The $$\mathrm {d}N_{\mathrm{ch}}/\mathrm {d}\eta $$ d N ch / d η is also measured for different centrality estimators, based both on the charged-particle multiplicity and on the energy deposited in the Zero-Degree Calorimeters. A study of the implications of the large multiplicity fluctuations due to the small number of participants for systems like p–Pb in the centrality calculation for multiplicity-based estimators is discussed, demonstrating the advantages of determining the centrality with energy deposited near beam rapidity.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Charged-particle pseudorapidity density at mid-rapidity in p–Pb collisions at $$\pmb {\sqrt{s_{\scriptscriptstyle {\mathrm{NN}}}}}$$ s NN = 8.16 TeV
Date Crossref
01/04/2019
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

Variable Energy Cyclotron CentreHomi Bhabha National InstituteUniversity of California, BerkeleyCzech Academy of Sciences, Nuclear Physics InstituteGoethe University FrankfurtLund UniversityPanjab UniversityEuropean Organization for Nuclear ResearchPolitecnico di TorinoAligarh Muslim UniversityKorea Institute of Science & Technology InformationYale UniversityInstitute for Theoretical and Experimental PhysicsGSI Helmholtz Centre for Heavy Ion ResearchUniversidade Estadual de Campinas (UNICAMP)Kurchatov InstituteIstituto Nazionale di Fisica Nucleare, Sezione di TorinoCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoCOMSATS University IslamabadCentro Ricerche Enrico FermiIstituto Nazionale di Fisica Nucleare, Sezione di BolognaNational Academy of Sciences of UkraineBogolyubov Institute for Theoretical PhysicsUniversity of BergenSt Petersburg UniversityHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringUniversity of BirminghamUniversity of MünsterHeidelberg UniversityCreighton UniversityRuđer Bošković InstituteIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of HoustonLawrence Berkeley National LaboratoryCentre National de la Recherche ScientifiqueLaboratoire de Physique Subatomique et des Technologies AssociéesIMT AtlantiqueInstitut National de Physique Nucléaire et de Physique des ParticulesNantes UniversitéUniversity of OsloIstituto Nazionale di Fisica Nucleare, Sezione di CataniaGangneung–Wonju National UniversityInha 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 BonnNational Institute of Science Education and ResearchHUN-REN Wigner Research Centre for PhysicsHungarian Academy of SciencesDaresbury LaboratoryUniversité Clermont AuvergneWayne State UniversityJoint Institute for Nuclear ResearchIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenUtrecht UniversityNational Institute for Subatomic PhysicsInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgBenemérita Universidad Autónoma de PueblaUniversidad Autónoma de SinaloaInstitute of Engineering PhysicsNational Research Nuclear University MEPhIPetersburg Nuclear Physics InstituteUniversity of Tennessee at KnoxvilleGauhati UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiCzech Technical University in PragueExcellence Cluster UniverseTechnical University of MunichBose InstituteThe University of Texas at AustinUniversity of PaviaUniversity of Pavol Jozef ŠafárikUniversity of BresciaUniversity of LiverpoolHospital Universitário da Universidade de São PauloHelsinki Institute of PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di BariAll-Russian Scientific Research Institute of Technical PhysicsStefan Meyer Institute for Subatomic PhysicsUniversity of TsukubaNational Research FoundationThe Ohio State UniversityTechnical University of KošiceIstituto 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 UniversitéUniversity 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”Universidade Federal do ABCWarsaw University of TechnologyInstitute of Physics, BhubaneshwarInstitute of Space Science - INFLPR SubsidiaryUniversity of SalernoIndian Institute of Technology IndoreFrankfurt Institute for Advanced StudiesNational Centre for Nuclear ResearchUniversity of ZagrebPusan National UniversityInstitute of Nuclear Physics, Polish Academy of SciencesInstitute for Nuclear ResearchUniversity of TriesteCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesNational and Kapodistrian University of AthensChicago State UniversityUniversidade Federal do Rio Grande do SulUniversity of SplitA. Alikhanyan National LaboratoryThe University of TokyoNagasaki Institute of Applied ScienceWestern Norway University of Applied SciencesCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalSejong UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesYonsei UniversityKTO Karatay UniversityUniversity of Applied Sciences WormsJeonbuk National UniversityCalifornia Polytechnic State UniversitySuranaree University of TechnologyUniversity of South-Eastern NorwayChina Institute of Atomic EnergyFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversity of FoggiaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IComenius University BratislavaBudker Institute of Nuclear PhysicsUniversity of RajasthanNational Nuclear Research CenterUniversity of TübingenHiroshima UniversityNara Women's UniversityShanghai Institute of Applied PhysicsIndonesian Institute of SciencesUniversity of the WitwatersrandUniversity of Science and Technology of China

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

Les sujets associés

High-Energy Particle Collisions ResearchParticle physics theoretical and experimental studiesNuclear reactor physics and engineering

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