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Accès ouvert déclaré 2025 article

First observation of strange baryon enhancement with effective energy in pp collisions at the LHC

0Citations signalées, ce qui n’est pas une note de qualité
154Institutions déclarées
35Pays d’affiliation déclarés

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Le résumé fourni par la source

A bstract The production of (multi-)strange hadrons is measured at midrapidity in proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV as a function of the local charged-particle multiplicity in the pseudorapidity interval | η | < 0 . 5 and of the very-forward energy measured by the ALICE Zero-Degree Calorimeters. The latter provides information on the effective energy, i.e. the energy available for particle production in the collision once subtracted from the centre-of-mass energy. The yields of $$ {\textrm{K}}_{\textrm{S}}^0 $$ K S 0 , $$ \Lambda +\overline{\Lambda} $$ Λ + Λ ¯ , and $$ {\Xi}^{-}+{\overline{\Xi}}^{+} $$ Ξ − + Ξ ¯ + per charged-particle increase with the effective energy. In addition, this work exploits a multi-differential approach to decouple the roles of local multiplicity and effective energy in such an enhancement. The results presented in this article provide new insights into the interplay between global properties of the collision, such as the initial available energy in the event, and the locally produced final hadronic state, connected to the charged-particle multiplicity at midrapidity. Notably, a strong increase of strange baryon production with effective energy is observed for fixed charged-particle multiplicity at midrapidity. These results are discussed within the context of existing phenomenological models of hadronisation implemented in different tunes of the PYTHIA 8 event generator.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
First observation of strange baryon enhancement with effective energy in pp collisions at the LHC
Date Crossref
05/03/2025
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 AuvergneLaboratoire de Physique de Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesVariable Energy Cyclotron CentreHomi Bhabha National InstituteEuropean Organization for Nuclear ResearchPolitecnico di TorinoAligarh Muslim UniversityKorea Institute of Science & Technology InformationUniversity of Pavol Jozef ŠafárikGoethe University FrankfurtGSI Helmholtz Centre for Heavy Ion ResearchBose InstituteIstituto Nazionale di Fisica Nucleare, Sezione di TorinoCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoJagiellonian UniversityAGH University of KrakowUniversity of HoustonSungkyunkwan UniversityUniversity of BergenIstituto Nazionale di Fisica Nucleare, Sezione di CagliariIstituto 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 EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversity of DerbyUniversity of MünsterHeidelberg UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PadovaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaLawrence 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 UniversityCentro de Aplicaciones Tecnológicas y Desarrollo NuclearThe University of TokyoIstituto Nazionale di Fisica Nucleare, Sezione di CataniaGangneung–Wonju National UniversityUniversity of Science and Technology of ChinaIndian 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'UniversNational and Kapodistrian University of AthensGauhati UniversityHUN-REN Wigner Research Centre for PhysicsUniversity of LiverpoolLund UniversityPusan National UniversityIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgUniversity of California, BerkeleyUniversidad Autónoma de SinaloaInstitute of Space Science - INFLPR SubsidiaryCzech Technical University in PragueCzech Academy of Sciences, Nuclear Physics InstituteThe University of Texas at AustinUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaOak Ridge National LaboratoryUniversity of BresciaPolytechnic University of BariSofia University "St. Kliment Ohridski"Daresbury LaboratoryStefan Meyer Institute for Subatomic PhysicsUniversity of the WitwatersrandNational Research FoundationInstitute of Nuclear Physics, Polish Academy of SciencesPolish Academy of SciencesUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiLyon 1 UniversitéInstitut de PhysiqueWarsaw University of TechnologySaha Institute of Nuclear PhysicsFudan UniversityMax Planck Institute for PhysicsInha UniversityNational Institute for Subatomic PhysicsUniversity of TsukubaNational Agency for New Technologies, Energy and Sustainable Economic DevelopmentUniversity 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 SystemUniversity of FoggiaUniversity of Cape TownComenius University BratislavaHiroshima UniversityUnited Nations University Institute for Sustainability and PeaceIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiWestern Norway University of Applied SciencesUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteSaga UniversityChicago State UniversityUniversity of KansasUniversidade Federal do Rio Grande do SulUniversity of Tennessee SystemUniversity of Tennessee at KnoxvilleNagasaki Institute of Applied ScienceWayne State UniversityFrankfurt Institute for Advanced StudiesUniversity of SplitUtrecht UniversityUniversity of BonnA. Alikhanyan National LaboratoryUniversidade Estadual de Campinas (UNICAMP)Yonsei UniversityUniversity of JyväskyläCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalThe Ohio State UniversityTechnical University of KošiceSouth Great Plain Regional Innovation AgencyNational Research and Innovation AgencyChina Institute of Atomic EnergySuranaree University of TechnologySlovak Academy of SciencesYıldız Technical UniversityKTO Karatay UniversityUniversity of ZagrebJeonbuk National UniversitySejong UniversityCalifornia Polytechnic State UniversityInstitute of Experimental Physics of the Slovak Academy of SciencesPanjab UniversityNational Centre for Nuclear ResearchUniversity of South-Eastern NorwayUniversity of MessinaHelsinki Institute of PhysicsChungbuk National UniversityChina University of GeosciencesCreighton UniversityUniversity of WrocławNational Nuclear Research CenterInstitute of Physics, BhubaneshwarUniversity of TübingenNara Women's UniversityNational Academy of Sciences of UkraineBogolyubov Institute for Theoretical Physics

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

Les sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle Interactions

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