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Accès ouvert déclaré 2016 article

Production of light nuclei and anti-nuclei in pp and Pb-Pb collisions at energies available at the CERN Large Hadron Collider

217Citations signalées, ce qui n’est pas une note de qualité
137Institutions déclarées
34Pays d’affiliation déclarés

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

Le résumé fourni par la source

The production of (anti-)deuteron and (anti-)$^{3}\text{He}$ nuclei in Pb-Pb collisions at $\sqrt{{s}_{\mathrm{NN}}}=2.76$ TeV has been studied using the ALICE detector at the LHC. The spectra exhibit a significant hardening with increasing centrality. Combined blast-wave fits of several particles support the interpretation that this behavior is caused by an increase of radial flow. The integrated particle yields are discussed in the context of coalescence and thermal-statistical model expectations. The particle ratios, $^{3}\text{He}/d$ and $^{3}\text{He}/p$, in Pb-Pb collisions are found to be in agreement with a common chemical freeze-out temperature of ${T}_{\mathrm{chem}}\ensuremath{\approx}156$ MeV. These ratios do not vary with centrality which is in agreement with the thermal-statistical model. In a coalescence approach, it excludes models in which nucleus production is proportional to the particle multiplicity and favors those in which it is proportional to the particle density instead. In addition, the observation of 31 anti-tritons in Pb-Pb collisions is reported. For comparison, the deuteron spectrum in $pp$ collisions at $\sqrt{s}=7$ TeV is also presented. While the $p/\ensuremath{\pi}$ ratio is similar in $pp$ and Pb-Pb collisions, the $d/p$ ratio in $pp$ collisions is found to be lower by a factor of 2.2 than in Pb-Pb collisions.

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
Production of light nuclei and anti-nuclei in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:mrow></mml:math>and Pb-Pb collisions at energies available at the CERN Large Hadron Collider
Date Crossref
29/02/2016
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

Czech Technical University in PragueCzech Academy of Sciences, Nuclear Physics InstitutePanjab UniversityEuropean Organization for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di TorinoIndian Institute of Technology BombayVariable Energy Cyclotron CentreCOMSATS University IslamabadKorea Institute of Science & Technology InformationPolitecnico di TorinoYale UniversityInstitute for Theoretical and Experimental PhysicsKurchatov InstituteUniversity of BirminghamUniversidad Nacional Autónoma de MéxicoCentro Ricerche Enrico FermiIstituto Nazionale di Fisica Nucleare, Sezione di BolognaBogolyubov Institute for Theoretical PhysicsHøgskolen i BergenUniversity of BergenGoethe University FrankfurtFrankfurt Institute for Advanced StudiesHospital Universitário da Universidade de São PauloGSI Helmholtz Centre for Heavy Ion ResearchHeidelberg UniversityUniversity of MünsterRuđer Bošković InstituteIstituto Nazionale di Fisica Nucleare, Sezione di PadovaCentre National de la Recherche ScientifiqueLaboratoire de Physique Subatomique et des Technologies AssociéesInstitut National de Physique Nucléaire et de Physique des ParticulesNantes UniversitéUniversidade de Santiago de CompostelaUniversity of OsloAligarh Muslim UniversityIstituto Nazionale di Fisica Nucleare, Sezione di CataniaGangneung–Wonju National UniversityUniversity of JammuCommissariat à l'Énergie Atomique et aux Énergies AlternativesInstitut de Recherche sur les Lois Fondamentales de l'UniversTechnical University of MunichInstitute of Physics, BhubaneshwarIstituto Nazionale di Fisica Nucleare, Sezione di BariHUN-REN Wigner Research Centre for PhysicsHungarian Academy of SciencesUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneClermont UniversitéCentral China Normal UniversityInstitute of Nuclear Physics, Polish Academy of SciencesJoint Institute for Nuclear ResearchUniversity of CopenhagenIndian Institute of Technology IndoreInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgBenemérita Universidad Autónoma de PueblaUniversity of HoustonWayne State UniversityInstitute of Engineering PhysicsNational Research Nuclear University MEPhIPetersburg Nuclear Physics InstituteUtrecht UniversityGauhati UniversityUniversity of TsukubaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiNational Institute of Science Education and ResearchCentro de Investigaciones Energéticas, Medioambientales y TecnológicasLawrence Berkeley National LaboratoryUniversity of Pavol Jozef ŠafárikPusan National UniversityDaresbury LaboratoryNational Research FoundationNational Institute for Subatomic PhysicsPurdue University West LafayetteHelsinki Institute of PhysicsAll-Russian Scientific Research Institute of Technical PhysicsThe Ohio State UniversityPontificia Universidad Católica del PerúIstituto Nazionale di Fisica Nucleare, Sezione di TriesteUniversity of Tennessee SystemUniversity of Tennessee at KnoxvilleIstituto Nazionale di Fisica Nucleare, Sezione di CagliariCentro de Aplicaciones Tecnológicas y Desarrollo NuclearUniversity of JyväskyläUniversity of LiverpoolSaha Institute of Nuclear PhysicsCreighton UniversityLyon 1 UniversitéUniversidade Estadual de Campinas (UNICAMP)Lund UniversityUniversity of Cape TownLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesUniversité Paris-SudInstitut de PhysiqueCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalOak Ridge National LaboratoryUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Excellence Cluster UniverseInstitute of Space Science - INFLPR SubsidiaryBose InstituteUniversity of SalernoNational Centre for Nuclear ResearchUniversity of ZagrebInstitute for Nuclear ResearchNational and Kapodistrian University of AthensChicago State UniversityUniversity of SplitWarsaw University of TechnologyA. Alikhanyan National LaboratoryThe University of TokyoUniversity of TübingenSejong UniversitySlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesYonsei UniversityKTO Karatay UniversityUniversity of Applied Sciences WormsCalifornia Polytechnic State UniversityThe University of Texas at AustinSuranaree University of TechnologyInha UniversityVestfold University CollegeUniversidad Autónoma de SinaloaChina Institute of Atomic EnergyCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicIstituto Nazionale di Fisica Nucleare, Sezione di Roma IComenius University BratislavaKonkuk UniversityHiroshima UniversityBudker Institute of Nuclear PhysicsUniversity of RajasthanIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di LegnaroLawrence Livermore National LaboratoryCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of the Witwatersrand

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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