期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP01(2011)079
关键词
Hadron-Hadron Scattering
资金
- Austrian Federal Ministry of Science and Research
- Belgium Fonds de la Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek
- Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP)
- Bulgarian Ministry of Education and Science
- CERN
- Chinese Academy of Sciences, Ministry of Science and Technology, and National Natural Science Foundation of China
- Colombian Funding Agency (COLCIENCIAS)
- Croatian Ministry of Science, Education and Sport
- Research Promotion Foundation, Cyprus
- Estonian Academy of Sciences and NICPB
- Academy of Finland, Finnish Ministry of Education, and Helsinki Institute of Physics
- Institut National de Physique Nucleaire et de Physique des Particules / CNRS, and Commissariat a l'Energie Atomique, France
- Bundesministerium fur Bildung und Forschung, Deutsche Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germa-ny
- General Secretariat for Research and Technology, Greece
- National Scientific Research Foundation, and National Office for Research and Technology, Hungary
- Department of Atomic Energy, and Department of Science and Technology, India
- Institute for Studies in Theoretical Physics and Mathematics, Iran
- Science Foundation, Ireland
- Istituto Nazionale di Fisica Nucleare, Italy
- Korean Ministry of Education, Science and Technology
- World Class University program of NRF, Korea
- Lithuanian Academy of Sciences
- Mexican Funding Agencies (CINVESTAV, CONACYT, SEP, and UASLP-FAI)
- Pakistan Atomic Energy Commission
- State Commission for Scientific Research, Poland
- Fundacao para a Ciencia e a Tecnologia, Portugal
- JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan)
- Ministry of Science and Technologies of the Russian Federation, and Russian Ministry of Atomic Energy
- Ministry of Science and Technological Development of Serbia
- Ministerio de Ciencia e Innovacion, Spain
- Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, and SER)
- National Science Council, Taipei
- Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority
- Science and Technology Facilities Council, U. K.
- US Department of Energy
- US National Science Foundation
- European Research Council (European Union)
- Leventis Foundation
- A. P. Sloan Foundation
- Alexander von Humboldt Foundation
- Associazione per lo Sviluppo Scientifico e Tecnologico del Piemonte (Italy)
- Belgian Federal Science Policy Office
- Fonds pour la Formation a la Recherche dans l'industrie et dans l'Agriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- Marie-Curie programme
- STFC [ST/I002839/1, ST/I505572/1, ST/I002200/1, ST/F007094/1, PP/E002722/1, ST/H00081X/2, ST/I000410/1, ST/G502347/1, ST/H000992/1, ST/F006748/1, ST/I005912/1, ST/G502412/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/I002839/1, PP/D004284/1, ST/F007094/1, ST/I002200/1, ST/G502347/1, ST/I005912/1, PP/E002722/1, ST/I000410/1, ST/H000992/1, GRIDPP, ST/I005912/1 GRIDPP, ST/I505572/1, ST/G502412/1, ST/F006748/1] Funding Source: researchfish
- Division Of Physics [0802184] Funding Source: National Science Foundation
Measurements of primary charged hadron multiplicity distributions are presented for non-single-diffractive events in proton-proton collisions at centre-of-mass energies of root s = 0.9, 2.36, and 7 TeV, in five pseudorapidity ranges from vertical bar eta vertical bar < 0.5 to vertical bar eta vertical bar < 2.4. The data were collected with the minimum-bias trigger of the CMS experiment during the LHC commissioning runs in 2009 and the 7 TeV run in 2010. The multiplicity distribution at root s - 0.9 TeV is in agreement with previous measurements. At higher energies the increase of the mean multiplicity with root s is underestimated by most event generators. The average transverse momentum as a function of the multiplicity is also presented. The measurement of higher-order moments of the multiplicity distribution con firms the violation of Koba-Nielsen-Olesen scaling that has been observed at lower energies.
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