期刊论文

Aamodt, K.

英文

EUROPEAN PHYSICAL JOURNAL C

1434-6044

2011

71

3

1-24

10.1140/epjc/s10052-011-1594-5

Calouste Gulbenkian Foundation from Lisbon and Swiss Fonds Kidagan, Armenia; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)National Council for Scientific and Technological Development (CNPq); Financiadora de Estudos e Projetos (FINEP)Ciencia Tecnologia e Inovacao (FINEP); Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC); Chinese Ministry of Education (CMOE)Ministry of Education, China; Ministry of Science and Technology of China (MSTC)Ministry of Science and Technology, China; Ministry of Education and Youth of the Czech RepublicMinistry of Education, Youth & Sports - Czech Republic; Danish Natural Science Research CouncilDanish Natural Science Research Council; Carlsberg FoundationCarlsberg Foundation; Danish National Research FoundationDanmarks Grundforskningsfond; The European Research CouncilEuropean Research Council (ERC); European CommunityEuropean Commission; Helsinki Institute of Physics; Academy of FinlandAcademy of FinlandEuropean Commission; French CNRS-IN2P3; 'Region Pays de Loire'Region Pays de la Loire; 'Region Alsace'Region Grand-Est; 'Region Auvergne'Region Auvergne-Rhone-Alpes; CEA, FranceFrench Atomic Energy Commission; German BMBFFederal Ministry of Education & Research (BMBF); Helmholtz AssociationHelmholtz Association; Greek Ministry of Research and Technology; Hungarian OTKAOrszagos Tudomanyos Kutatasi Alapprogramok (OTKA); National Office for Research and Technology (NKTH)National Office for Research and Technology; Department of Atomic EnergyDepartment of Atomic Energy (DAE); Department of Science and Technology of the Government of IndiaDepartment of Science & Technology (India); Istituto Nazionale di Fisica Nucleare (INFN) of ItalyIstituto Nazionale di Fisica Nucleare (INFN); MEXT, JapanMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT); Joint Institute for Nuclear Research, Dubna; National Research Foundation of Korea (NRF)National Research Foundation of Korea; CONACYTConsejo Nacional de Ciencia y Tecnologia (CONACyT); DGAPA, Mexico; ALFA-EC; HELEN (High-Energy physics Latin-American-European Network); Stichting voor Fundamenteel Onderzoek der Materie (FOM)FOM (The Netherlands); Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), NetherlandsNetherlands Organization for Scientific Research (NWO)Netherlands Government; Research Council of Norway (NFR)Research Council of Norway; Polish Ministry of Science and Higher EducationMinistry of Science and Higher Education, Poland; National Authority for Scientific Research-NASR (Autoritatea Nationala pentru Cercetare, Stiintifica-ANCS); Federal Agency of Science of the Ministry of Education and Science of Russian FederationMinistry of Education and Science, Russian Federation; International Science and Technology Center, Russian Academy of SciencesRussian Academy of Sciences; Russian Federal Agency of Atomic Energy; Russian Federal Agency for Science and InnovationsFederal Agency for Science & Innovations (FASI); CERN-INTAS; Ministry of Education of Slovakia; CIEMAT; EELA; Ministerio de Educacion y Ciencia of SpainSpanish GovernmentEuropean Commission; Xunta de Galicia (Conselleria de Educacion)Xunta de Galicia; CEADENFrench Atomic Energy CommissionCEADEN; Cubaenergia, Cuba; IAEA (International Atomic Energy Agency)International Atomic Energy Agency; Ministry of Science and Technology; National Research Foundation (NRF), South AfricaNational Research Foundation - South Africa; Swedish Reseach Council (VR)Swedish Research Council; Knut & Alice Wallenberg Foundation (KAW)Knut & Alice Wallenberg Foundation; Ukraine Ministry of Education and Science; United Kingdom Science and Technology Facilities Council (STFC)UK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); The United States Department of EnergyUnited States Department of Energy (DOE); United States National Science FoundationNational Science Foundation (NSF); State of Texas; State of Ohio; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [GRIDPP, ST/F011989/1] Funding Source: researchfish; Division Of PhysicsNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [0969966] Funding Source: National Science Foundation; Grants-in-Aid for Scientific ResearchMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of ScienceGrants-in-Aid for Scientific Research (KAKENHI) [20224014, 22244022, 23244055, 23340074] Funding Source: KAKEN

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The production of mesons containing strange quarks (K0 S, ϕ) and both singly and doubly strange baryons (⋀, ⊼, and Ξ− +Ξ+) are measured at mid-rapidity in pp collisions at √s = 0.9 TeV with the ALICE experiment at the LHC. The results are obtained from the analysis of about 250 k minimum bias events recorded in 2009. Measurements of yields (dN/dy) and transverse momentum spectra at mid-rapidity for inelastic pp collisions are presented. For mesons, we report yields (〈dN/dy〉) of 0.184 ± 0.002(stat.) ± 0.006(syst.) for K0 S and 0.021 ±...