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Accès ouvert déclaré 2021 article

Λc+ Production and Baryon-to-Meson Ratios in pp and p -Pb Collisions at sNN=5.02 TeV at the LHC

83Citations signalées, ce qui n’est pas une note de qualité
151Institutions déclarées
36Pays d’affiliation déclarés

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

Le résumé fourni par la source

The prompt production of the charm baryon ${\mathrm{\ensuremath{\Lambda}}}_{c}^{+}$ and the ${\mathrm{\ensuremath{\Lambda}}}_{c}^{+}/{D}^{0}$ production ratios were measured at midrapidity with the ALICE detector in $pp$ and $p$-Pb collisions at $\sqrt{{s}_{\mathrm{NN}}}=5.02\text{ }\text{ }\mathrm{TeV}$. These new measurements show a clear decrease of the ${\mathrm{\ensuremath{\Lambda}}}_{c}^{+}/{D}^{0}$ ratio with increasing transverse momentum (${p}_{T}$) in both collision systems in the range $2<{p}_{T}<12\text{ }\text{ }\mathrm{GeV}/c$, exhibiting similarities with the light-flavor baryon-to-meson ratios $p/\ensuremath{\pi}$ and $\mathrm{\ensuremath{\Lambda}}/{K}_{S}^{0}$. At low ${p}_{T}$, predictions that include additional color-reconnection mechanisms beyond the leading-color approximation, assume the existence of additional higher-mass charm-baryon states, or include hadronization via coalescence can describe the data, while predictions driven by charm-quark fragmentation processes measured in ${e}^{+}{e}^{\ensuremath{-}}$ and ${e}^{\ensuremath{-}}p$ collisions significantly underestimate the data. The results presented in this Letter provide significant evidence that the established assumption of universality (colliding-system independence) of parton-to-hadron fragmentation is not sufficient to describe charm-baryon production in hadronic collisions at LHC energies.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.

Le contrôle bibliographique ouvert

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

Titre Crossref
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">Λ</mml:mi></mml:mrow><mml:mrow><mml:mi>c</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msubsup></mml:mrow></mml:math> Production and Baryon-to-Meson Ratios in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi></mml:math> -Pb Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi>NN</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math> at the LHC
Date Crossref
09/11/2021
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

Variable Energy Cyclotron CentreHomi Bhabha National InstituteCzech Academy of Sciences, Nuclear Physics InstituteGoethe University FrankfurtLund UniversityEuropean Organization for Nuclear ResearchPolitecnico di TorinoIstituto Nazionale di Fisica Nucleare, Sezione di BolognaAligarh Muslim UniversityKorea Institute of Science & Technology InformationIndonesian Institute of SciencesKurchatov InstituteGSI Helmholtz Centre for Heavy Ion ResearchUniversidade Estadual de Campinas (UNICAMP)Istituto Nazionale di Fisica Nucleare, Sezione di TorinoCentral China Normal UniversityUniversidad Nacional Autónoma de MéxicoCOMSATS University IslamabadUniversity of HoustonUniversity of BergenSt Petersburg UniversityHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringNational Institute for Subatomic PhysicsUniversity of MünsterHeidelberg UniversityRuđer Bošković InstituteIstituto Nazionale di Fisica Nucleare, Sezione di PadovaLawrence 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 OsloYale UniversityLaboratoire de Physique des 2 Infinis Irène Joliot-CurieIstituto Nazionale di Fisica Nucleare, Sezione di CataniaGangneung–Wonju National 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 BonnBose InstituteNational and Kapodistrian University of AthensHUN-REN Wigner Research Centre for PhysicsDaresbury LaboratoryUniversité Clermont AuvergneUniversity of LiverpoolWayne State UniversityJoint Institute for Nuclear ResearchIndian Institute of Technology BombayPontificia Universidad Católica del PerúUniversity of CopenhagenInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgInstitute of Engineering PhysicsNational Research Nuclear University MEPhIPetersburg Nuclear Physics InstituteInstitute of Space Science - INFLPR SubsidiaryGauhati UniversityIstituto Nazionale di Fisica Nucleare, Sezione di CagliariIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiCzech Technical University in PragueTechnical University of MunichThe University of Texas at AustinUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaOak Ridge National LaboratoryInha UniversityUniversity of Pavol Jozef ŠafárikMoscow Institute of Physics and TechnologyHospital Universitário da Universidade de São PauloIstituto Nazionale di Fisica Nucleare, Sezione di BariPolytechnic University of BariAll-Russian Scientific Research Institute of Technical PhysicsStefan Meyer Institute for Subatomic PhysicsUniversity of the WitwatersrandNational Research FoundationInstitute of Nuclear Physics, Polish Academy of SciencesUniversidad Autónoma de SinaloaBenemérita Universidad Autónoma de PueblaIstituto Nazionale di Fisica Nucleare, Sezione di TriesteSaha Institute of Nuclear PhysicsLyon 1 UniversitéInstitut de Physique des 2 Infinis de LyonUniversity of TsukubaUniversity of Cape TownUniversity of BirminghamLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Universidade Federal do ABCNational Institute of Science Education and ResearchUniversity of SalernoFrankfurt Institute for Advanced StudiesIndian Institute of Technology IndoreWarsaw University of TechnologyUniversity of California, BerkeleyCentro de Aplicaciones Tecnológicas y Desarrollo NuclearInstitute for Nuclear ResearchPanjab UniversityUniversity of ZagrebUniversity of TriesteChicago State UniversityNational Nuclear Research CenterUniversidade Federal do Rio Grande do SulUniversity of SplitUtrecht UniversityA. Alikhanyan National LaboratoryThe University of TokyoNagasaki Institute of Applied ScienceWestern Norway University of Applied SciencesCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalYonsei UniversityCreighton UniversityUniversity of Tennessee at KnoxvilleThe Ohio State UniversityTechnical University of KošiceSlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesKTO Karatay UniversityUniversity of Applied Sciences WormsUniversity of JyväskyläJeonbuk National UniversityPusan National UniversitySejong UniversityCalifornia Polytechnic State UniversitySuranaree University of TechnologyAGH University of KrakowNational Centre for Nuclear ResearchUniversity of South-Eastern NorwayChina Institute of Atomic EnergyFudan UniversityUniversity of MessinaFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversity of FoggiaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IComenius University BratislavaChungbuk National UniversityHiroshima UniversityBudker Institute of Nuclear PhysicsUniversity of RajasthanHelsinki Institute of PhysicsInstitute of Physics, BhubaneshwarUniversity of TübingenNara Women's UniversityUniversity of Science and Technology of ChinaNational Academy of Sciences of UkraineBogolyubov Institute for Theoretical Physics

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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