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Accès ouvert déclaré 2023 article

Underlying-event properties in pp and p–Pb collisions at $$ \sqrt{s_{\textrm{NN}}} $$ = 5.02 TeV

4Citations signalées, ce qui n’est pas une note de qualité
141Institutions déclarées
35Pays d’affiliation déclarés

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

Le résumé fourni par la source

Abstract We report about the properties of the underlying event measured with ALICE at the LHC in pp and p–Pb collisions at $$ \sqrt{s_{\textrm{NN}}} $$ s NN = 5.02 TeV. The event activity, quantified by charged-particle number and summed-pT densities, is measured as a function of the leading-particle transverse momentum $$ \left({p}_{\textrm{T}}^{\textrm{trig}}\right) $$ p T trig . These quantities are studied in three azimuthal-angle regions relative to the leading particle in the event: toward, away, and transverse. Results are presented for three different pT thresholds (0.15, 0.5 and 1 GeV/c) at mid-pseudorapidity (|η| < 0.8). The event activity in the transverse region, which is the most sensitive to the underlying event, exhibits similar behaviour in both pp and p–Pb collisions, namely, a steep increase with $$ {p}_{\textrm{T}}^{\textrm{trig}} $$ p T trig for low $$ {p}_{\textrm{T}}^{\textrm{trig}} $$ p T trig , followed by a saturation at $$ {p}_{\textrm{T}}^{\textrm{trig}}\approx 5 $$ p T trig ≈ 5 GeV/c. The results from pp collisions are compared with existing measurements at other centre-of-mass energies. The quantities in the toward and away regions are also analyzed after the subtraction of the contribution measured in the transverse region. The remaining jet-like particle densities are consistent in pp and p–Pb collisions for $$ {p}_{\textrm{T}}^{\textrm{trig}}>10 $$ p T trig > 10 GeV/c, whereas for lower $$ {p}_{\textrm{T}}^{\textrm{trig}} $$ p T trig values the event activity is slightly higher in p–Pb than in pp collisions. The measurements are compared with predictions from the PYTHIA 8 and EPOS LHC Monte Carlo event generators.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Underlying-event properties in pp and p–Pb collisions at $$ \sqrt{s_{\textrm{NN}}} $$ = 5.02 TeV
Date Crossref
05/06/2023
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

Centre National de la Recherche ScientifiqueUniversité Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesCzech Academy of Sciences, Nuclear Physics InstituteGoethe University FrankfurtEuropean 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 ResearchBose InstituteIstituto Nazionale di Fisica Nucleare, Sezione di TorinoCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoAGH University of KrakowCOMSATS University IslamabadUniversity of HoustonUniversity of BergenIstituto Nazionale di Fisica Nucleare, Sezione di CagliariHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringUniversity of MünsterHeidelberg UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PadovaLawrence Berkeley National LaboratoryLaboratoire de Physique Subatomique et des Technologies AssociéesIMT AtlantiqueNantes UniversitéUniversity of OsloYale UniversityLaboratoire de Physique des 2 Infinis Irène Joliot-CurieIstituto Nazionale di Fisica Nucleare, Sezione di CataniaGangneung–Wonju National UniversityIndian Institute of Technology IndoreUniversity of JammuCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversTechnical University of MunichNational and Kapodistrian University of AthensHUN-REN Wigner Research Centre for PhysicsDaresbury LaboratoryHospital Universitário da Universidade de São PauloUniversity of LiverpoolLund UniversityIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgUniversity of California, BerkeleyInstitute of Space Science - INFLPR SubsidiaryGauhati UniversityCzech Technical University in PragueInstitute of Nuclear Physics, Polish Academy of SciencesThe University of Texas at AustinFrankfurt Institute for Advanced StudiesUniversity of PaviaOak Ridge National LaboratoryInha UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PaviaIstituto Nazionale di Fisica Nucleare, Sezione di BariStefan Meyer Institute for Subatomic PhysicsNational Research FoundationUniversity of KansasUniversidad Autónoma de SinaloaBenemérita Universidad Autónoma de PueblaIstituto Nazionale di Fisica Nucleare, Sezione di TriesteUniversitatea 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 Cape TownUniversity of BirminghamLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesUniversidade Federal do ABCUniversity of SalernoWarsaw University of TechnologyCentro de Aplicaciones Tecnológicas y Desarrollo NuclearPanjab UniversityTechnical University of KošiceComenius University BratislavaUniversity of ZagrebWestern Norway University of Applied SciencesIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiPolytechnic University of BariUniversity of TriesteChicago State UniversityNational Nuclear Research CenterUniversidade Federal do Rio Grande do SulUniversity of Tennessee SystemUniversity of Tennessee at KnoxvilleNagasaki Institute of Applied ScienceWayne State UniversityUniversity of SplitUtrecht UniversityA. Alikhanyan National LaboratoryThe University of TokyoUniversity of BonnCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalYonsei UniversityCreighton UniversityUniversity of JyväskyläThe Ohio State UniversitySuranaree University of TechnologySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesKTO Karatay UniversityNational Institute of Science Education and ResearchPusan National UniversityJeonbuk National UniversityCalifornia Polytechnic State UniversityNational Centre for Nuclear ResearchUniversity of South-Eastern NorwayChina Institute of Atomic EnergyFudan UniversityUniversity of the WitwatersrandHelsinki Institute of PhysicsChungbuk National UniversityHiroshima UniversityUnited Nations University Institute for Sustainability and PeaceUniversity of BresciaUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of RajasthanInstitute of Physics, BhubaneshwarUniversity of TübingenNara Women's UniversityNational Nuclear Energy Agency of IndonesiaNational Research and Innovation AgencyUniversity of Science and Technology of ChinaNational 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 ResearchParticle physics theoretical and experimental studiesQuantum Chromodynamics and Particle Interactions

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