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Accès ouvert déclaré 2024 article

Photoproduction of K+K− Pairs in Ultraperipheral Collisions

8Citations signalées, ce qui n’est pas une note de qualité
153Institutions déclarées
36Pays d’affiliation déclarés

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

Le résumé fourni par la source

K^{+}K^{-} pairs may be produced in photonuclear collisions, either from the decays of photoproduced ϕ(1020) mesons or directly as nonresonant K^{+}K^{-} pairs. Measurements of K^{+}K^{-} photoproduction probe the couplings between the ϕ(1020) and charged kaons with photons and nuclear targets. The kaon-proton scattering occurs at energies far above those available elsewhere. We present the first measurement of coherent photoproduction of K^{+}K^{-} pairs on lead ions in ultraperipheral collisions using the ALICE detector, including the first investigation of direct K^{+}K^{-} production. There is significant K^{+}K^{-} production at low transverse momentum, consistent with coherent photoproduction on lead targets. In the mass range 1.1<M_{KK}<1.4 GeV/c^{2} above the ϕ(1020) resonance, for rapidity |y_{KK}|<0.8 and p_{T,KK}<0.1 GeV/c, the measured coherent photoproduction cross section is dσ/dy=3.37±0.61(stat)±0.15(syst) mb. The center-of-mass energy per nucleon of the photon-nucleus (Pb) system W_{γPb,n} ranges from 33 to 188 GeV, far higher than previous measurements on heavy-nucleus targets. The cross section is larger than expected for ϕ(1020) photoproduction alone. The mass spectrum is fit to a cocktail consisting of ϕ(1020) decays, direct K^{+}K^{-} photoproduction, and interference between the two. The confidence regions for the amplitude and relative phase angle for direct K^{+}K^{-} photoproduction are presented.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref
Photoproduction of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math> Pairs in Ultraperipheral Collisions
Date Crossref
31/05/2024
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

Centre National de la Recherche ScientifiqueUniversité Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesCzech Academy of Sciences, Nuclear Physics InstituteEuropean 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 ResearchIstituto Nazionale di Fisica Nucleare, Sezione di TorinoCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoUniversity of HoustonUniversity of BergenIstituto Nazionale di Fisica Nucleare, Sezione di CagliariGoethe University FrankfurtIstituto 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 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 CataniaSungkyunkwan UniversityGangneung–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 KrakowBose InstituteNational and Kapodistrian University of AthensGauhati UniversityHUN-REN Wigner Research Centre for PhysicsDaresbury LaboratoryUniversity of LiverpoolLund UniversityIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgUniversidad Autónoma de SinaloaInstitute of Space Science - INFLPR SubsidiaryIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiCzech Technical University in PragueThe University of Texas at AustinFrankfurt Institute for Advanced StudiesUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaOak Ridge National LaboratoryPusan National UniversityUniversity of BresciaPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di TriesteStefan Meyer Institute for Subatomic PhysicsUniversity of the WitwatersrandNational Research FoundationInstitute of Nuclear Physics, Polish Academy of SciencesPolish Academy of SciencesUniversity of SalernoUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiLyon 1 UniversitéUniversité de LyonInstitut de Physique des 2 Infinis de LyonSaha Institute of Nuclear PhysicsUniversidade Estadual de Campinas (UNICAMP)Inha UniversityNational Institute for Subatomic PhysicsUniversity of TsukubaUniversity 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 California, BerkeleyCentro de Aplicaciones Tecnológicas y Desarrollo NuclearUniversity of Cape TownWarsaw University of TechnologyPanjab UniversityTechnical University of KošiceComenius University BratislavaHiroshima UniversityUnited Nations University Institute for Sustainability and PeaceUniversity of TriesteSaga UniversityChicago State UniversityUniversity of KansasUniversidade Federal do Rio Grande do SulUniversity of Tennessee at KnoxvilleNagasaki Institute of Applied ScienceWayne State UniversityUniversity of SplitUtrecht UniversityA. Alikhanyan National LaboratoryYonsei UniversityUniversity of JyväskyläUniversity of BonnWestern Norway University of Applied SciencesCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalThe Ohio State UniversityCOMSATS University IslamabadSouth Great Plain Regional Innovation AgencyNational 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 SciencesKTO Karatay UniversityUniversity of ZagrebTechnologie- und Förderzentrum im Kompetenzzentrum für Nachwachsende RohstoffeJeonbuk National UniversitySejong UniversityCalifornia Polytechnic State UniversitySofia University "St. Kliment Ohridski"National Centre for Nuclear ResearchUniversity of South-Eastern NorwayFudan UniversityUniversity of MessinaUniversity of FoggiaHelsinki Institute of PhysicsChungbuk National UniversityChina University of GeosciencesCreighton UniversityNational 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

Cosmology and Gravitation TheoriesHigh-Energy Particle Collisions ResearchParticle physics theoretical and experimental studies

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