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Investigating the $$\mathbf {\text {p--}\uppi ^{\pm }}$$ and $$\mathbf {\text {p--p--}\uppi ^{\pm }}$$ dynamics with femtoscopy in pp collisions at $$\mathbf {\sqrt{\textit{s}}=13}$$ TeV

4Citations signalées, ce qui n’est pas une note de qualité
148Institutions déclarées
35Pays d’affiliation déclarés

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Le résumé fourni par la source

Abstract The interaction between pions and nucleons plays a crucial role in hadron physics. It represents a fundamental building block of the low-energy QCD dynamics and is subject to several resonance excitations. This work studies the $$\text {p--}\uppi ^{\pm }$$ p-- π ± dynamics using femtoscopic correlations in high-multiplicity pp collisions at $$\sqrt{s} = 13$$ s = 13 TeV measured by ALICE at the LHC. As the final-state interaction between protons and pions is well constrained by scattering experiments and the study of pionic hydrogen, the results give access to information on the particle-emitting source in pp collisions using the femtoscopy methods. The scaling of the source size of primordial protons and pions against their pair transverse mass is extracted. The results are compared with the source sizes studied with p–p, $$\text {p--K}^+$$ p--K + , and $$\uppi ^\pm $$ π ± – $$\uppi ^\pm $$ π ± pairs by ALICE in the same collision system and are found to be in agreement for the different particle pairs. This reinforces recent findings by ALICE of a common emission source for all hadron-pairs in pp collisions at LHC energies. Furthermore, the $$\text {p--p--}\uppi ^{\pm }$$ p--p-- π ± systems are studied using three-particle femtoscopy in pp collisions at $$\sqrt{s} = 13$$ s = 13 TeV. The presence of three-body effects is analyzed utilizing the cumulant expansion method. In this formalism, the known two-body interactions are subtracted in order to isolate the three-body effects. For both, $$\text {p--p--}\uppi ^{+}$$ p--p-- π + and $$\text {p--p--}\uppi ^{-}$$ p--p-- π - , a non-zero cumulant is found, indicating effects beyond pairwise interactions. These results give information on the coupling of the pion to multiple nucleons.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Investigating the $$\mathbf {\text {p--}\uppi ^{\pm }}$$ and $$\mathbf {\text {p--p--}\uppi ^{\pm }}$$ dynamics with femtoscopy in pp collisions at $$\mathbf {\sqrt{\textit{s}}=13}$$ TeV
Date Crossref
20/08/2025
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 AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesVariable Energy Cyclotron CentreHomi Bhabha National InstituteEuropean Organization for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di TorinoPolitecnico di TorinoIstituto Nazionale di Fisica Nucleare, Sezione di BolognaAligarh Muslim UniversityKorea Institute of Science & Technology InformationUniversity of Pavol Jozef ŠafárikGoethe University FrankfurtFrankfurt Institute for Advanced StudiesGSI Helmholtz Centre for Heavy Ion ResearchCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoUniversity of HoustonSungkyunkwan UniversityUniversity of BergenIstituto 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 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'UniversJagiellonian UniversityAGH University of KrakowNational and Kapodistrian University of AthensGauhati UniversityHUN-REN Wigner Research Centre for PhysicsUniversity of LiverpoolLund UniversityIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgUniversidad Autónoma de SinaloaIstituto Nazionale di Fisica Nucleare, Sezione di TriesteInstitute of Space Science - INFLPR SubsidiaryUniversity of KansasCzech Technical University in PragueCzech Academy of Sciences, Nuclear Physics InstituteBose InstituteThe University of Texas at AustinOak Ridge National LaboratoryPusan National UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity 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 SciencesUniversity of SalernoUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiWarsaw University of TechnologyFudan UniversityLyon 1 UniversitéInstitut de Physique des 2 Infinis de LyonMax Planck Institute for PhysicsInha UniversitySaha Institute of Nuclear PhysicsNational Institute for Subatomic PhysicsUniversity of TsukubaIstituto Nazionale di Fisica Nucleare, Sezione di CagliariNational 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 ABCUniversity of PaviaNational Institute of Science Education and ResearchUniversity of California, BerkeleyUniversity of FoggiaCentro de Aplicaciones Tecnológicas y Desarrollo NuclearComenius University BratislavaHiroshima International UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiUniversity of TriesteSaga UniversityChicago State UniversityUniversidade Federal do Rio Grande do SulUniversity of Tennessee at KnoxvilleNagasaki Institute of Applied ScienceWayne State UniversityUniversity of SplitUtrecht UniversityA. Alikhanyan National LaboratoryUniversidade Estadual de Campinas (UNICAMP)Yonsei UniversityUniversity of JyväskyläUniversity of BonnCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalThe Ohio State UniversityTechnical University of KošiceNational Nuclear Energy Agency of IndonesiaNational Research and Innovation AgencyChina Institute of Atomic EnergySuranaree University of TechnologySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesYıldız Technical UniversityUniversity of ZagrebJeonbuk National UniversitySejong UniversityCalifornia Polytechnic State UniversityPanjab UniversityNational Centre for Nuclear ResearchUniversity of South-Eastern NorwayUniversity of MessinaHelsinki Institute of PhysicsUniversity of Cape TownChungbuk 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 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

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

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