期刊
PHYSICS LETTERS B
卷 727, 期 4-5, 页码 371-380出版社
ELSEVIER
DOI: 10.1016/j.physletb.2013.10.054
关键词
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资金
- State Committee of Science
- World Federation of Scientists (WFS)
- Swiss Fonds Kidagan, Armenia
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Financiadora de Estudos e Projetos (FINEP)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP
- National Natural Science Foundation of China (NSFC)
- Chinese Ministry of Education (CMOE)
- Ministry of Science and Technology of China (MSTC)
- Ministry of Education and Youth of the Czech Republic
- Danish Natural Science Research Council
- Carlsberg Foundation
- Danish National Research Foundation
- European Research Council under European Community's Seventh Framework Programme
- Helsinki Institute of Physics
- Academy of Finland
- French [CNRS-IN2P3]
- Region Pays de Loire
- Region Alsace
- Region Auvergne
- CEA, France
- German BMBF
- Helmholtz Association
- General Secretariat for Research and Technology
- Ministry of Development, Greece
- Hungarian OTKA
- National Office for Research and Technology (NKTH)
- Department of Atomic Energy
- Department of Science and Technology of the Government of Indi
- Istituto Nazionale di Fisica Nucleare (INFN)
- Centro Fermi Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Italy
- Specially Promoted Research, Japan
- Joint Institute for Nuclear Research, Dubna
- National Research Foundation of Korea (NRF)
- Stichting voor Fundamenteel Onderzoek der Materie (FOM)
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands
- Research Council of Norway (NFR)
- Polish Ministry of Science and Higher Education
- National Authority for Scientific Research - NASR
- Autoritatea Nationala pentru Cercetare Stiintifica - ANCS
- Ministry of Education and Science of Russian Federation
- Russian Academy of Sciences
- Russian Federal Agency of Atomic Energy
- Russian Federal Agency for Science and Innovations
- Russian Foundation for Basic Research
- Ministry of Education of Slovakia
- Department of Science and Technology, South Africa
- CIEMAT
- EELA
- Ministerio de Economia y Competitividad (MINECO) of Spain
- Xunta de Galicia (Conselleria de Educacion)
- CEADEN
- Cubaenergia
- Cuba
- IAEA (International Atomic Energy Agency)
- Swedish Research Council (VR)
- Knut & Alice Wallenberg Foundation (KAW)
- Ukraine Ministry of Education and Science
- United Kingdom Science and Technology Facilities Council (STFC)
- United States Department of Energy
- United States National Science Foundation
- State of Texas
- State of Ohio
- STFC [ST/J000108/1, ST/J000140/1, ST/J000094/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000108/1, ST/J000094/1, ST/J000140/1, 1231104] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [0968903, 1307461] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0969966, 1305280] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [25287048, 23340074] Funding Source: KAKEN
The average transverse momentum (p(T)) versus the charged-particle multiplicity N-ch was measured in p-Pb collisions at a collision energy per nucleon-nucleon root S-NN = 5.02 TeV and in pp collisions at collision energies of root s = 0.9, 2.76, and 7 TeV in the kinematic range 0.15 < p(T) < 10.0 GeV/c and vertical bar eta vertical bar < 0.3 with the ALICE apparatus at the LHC. These data are compared to results in Pb-Pb collisions at root S-NN = 2.76 TeV at similar charged-particle multiplicities. In pp and p-Pb collisions, a strong increase of (p(T)) with N-ch is observed, which is much stronger than that measured in Pb-Pb collisions. For pp collisions, this could be attributed, within a model of hadronizing strings, to multiple-parton interactions and to a final-state color reconnection mechanism. The data in p-Pb and Pb-Pb collisions cannot be described by an incoherent superposition of nucleon-nucleon collisions and pose a challenge to most of the event generators. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.
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