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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/24558
Title: 
Upsilon production cross section in pp collisions at root s=7 TeV
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • Inst Hochenergiephys OeAW
  • Natl Ctr Particle & High Energy Phys
  • Univ Antwerp
  • Vrije Univ Brussel
  • Univ Libre Brussels
  • Univ Ghent
  • Catholic Univ Louvain
  • Univ Mons
  • Centro Brasileiro de Pesquisas Físicas (CBPF)
  • Univ Estado Rio de Janeiro
  • Institute for Theoretical and Experimental Physics (ITEP)
  • Moscow MV Lomonosov State Univ
  • PN Lebedev Phys Inst
  • Inst High Energy Phys
  • University of Belgrade
  • Vinca Inst Nucl Sci
  • Ctr Invest Energet Medioambientales & Tecnol CIE
  • Univ Autonoma Madrid
  • Univ Oviedo
  • CSIC Univ Cantabria
  • Universidade Estadual Paulista (UNESP)
  • CERN
  • Paul Scherrer Inst
  • ETH
  • Univ Zurich
  • Natl Cent Univ
  • Natl Taiwan Univ
  • Cukurova Univ
  • Middle E Tech Univ
  • Bogazici Univ
  • Kharkov Inst Phys & Technol
  • Bulgarian Acad Sci
  • Univ Bristol
  • Rutherford Appleton Lab
  • Univ London Imperial Coll Sci Technol & Med
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  • Scuola Normale & Sez INFN
  • Gaziosmanpasa Univ
  • Adiyaman Univ
  • Mersin Univ
  • Izmir Inst Technol
  • Kafkas Univ
  • Suleyman Demirel Univ
  • Univ Cyprus
  • Ege Univ
  • Univ Southampton
  • Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH
  • Rudjer Boskovic Inst
  • Acad Sci Res & Technol Arab Republ Egypt
  • NICPB
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • CNRS
  • CEA Saclay
  • Ecole Polytech
  • Univ Haute Alsace Mulhouse
  • Inst Natl Phys Nucl & Phys Particules IN2P3
  • Univ Lyon 1
  • Acad Sci
  • RWTH Aachen University
  • DESY
  • Univ Hamburg
  • Univ Karlsruhe
  • Inst Nucl Phys Demokritos
  • Univ Athens
  • Univ Ioannina
  • KFKI Res Inst Particle & Nucl Phys
  • Inst Nucl Res ATOMKI
  • Univ Debrecen
  • Panjab Univ
  • University of Delhi
  • Bhabha Atom Res Ctr
  • Tata Inst Fundamental Res EHEP
  • Tata Inst Fundamental Res HECR
  • Inst Res & Fundamental Sci IPM
  • Ist Nazl Fis Nucl
  • Univ Bari
  • Politecn Bari
  • Univ Bologna
  • Univ Catania
  • Univ Florence
  • Univ Milano Bicocca
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  • Univ Padua
  • Univ Trento Trento
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  • Kyungpook Natl Univ
  • Chonnam Natl Univ
  • Korea University
  • Univ Seoul
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  • Vilnius Univ
  • Ctr Invest & Estudios Avanzados IPN
  • Univ Iberoamer
  • Benemerita Univ Autonoma Puebla
  • Univ Autonoma San Luis Potosi
  • Univ Auckland
  • Univ Canterbury
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  • Soltan Inst Nucl Studies
  • Lab Instrumentacao & Fis Expt Particulas
  • Joint Inst Nucl Res
  • Petersburg Nucl Phys Inst
  • Russian Acad Sci
ISSN: 
1550-7998
Sponsorship: 
  • Austrian Federal Ministry of Science and Research
  • Belgium Fonds de la Recherche Scientifique
  • Fonds voor Wetenschappelijk Onderzoek
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
  • Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
  • Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
  • Bulgarian Ministry of Education and Science
  • Organisation Européenne pour la Recherche Nucléaire (CERN)
  • Chinese Academy of Sciences (CAS)
  • National Natural Science Foundation of China (NSFC)
  • Colombian Funding Agency (COLCIENCIAS)
  • Croatian Ministry of Science, Education and Sport
  • Research Promotion Foundation (RPF)
  • Estonian Academy of Sciences
  • NICPB
  • Academy of Finland
  • Finnish Ministry of Education
  • Helsinki Institute of Physics (HIP)
  • Institut national de physique nucléaire et de physique des particules (IN2P3/CNRS)
  • Commissariat à l'énergie atomique et aux énergies alternatives (CEA)
  • Bundesministerium für Bildung und Forschung (BMBF)
  • Deutsche Forschungsgemeinschaft (DFG)
  • Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  • General Secretariat for Research and Technology (GSRT)
  • National Scientific Research Foundation
  • National Office for Research and Technology, Hungary
  • Department of Atomic Energy
  • Department of Science and Technology (DST) - India
  • Institute for Studies in Theoretical Physics and Mathematics, Iran
  • Science Foundation Ireland (SFI)
  • Istituto Nazionale di Fisica Nucleare (INFN)
  • Korean Ministry of Education, Science and Technology
  • National Research Foundation of Korea (NRF)
  • Lithuanian Academy of Sciences
  • Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV)
  • Consejo Nacional de Ciencia y Tecnología (CONACYT)
  • SEP
  • UASLP-FAI
  • Pakistan Atomic Energy Commission (PAEC)
  • State Commission for Scientific Research, Poland
  • Fundação para a Ciência e a Tecnologia (FCT)
  • Joint Institute for Nuclear Research (JINR)
  • Ministry of Science and Technologies of the Russian Federation
  • Russian Ministry of Atomic Energy
  • Ministry of Science and Technological Development of Serbia
  • Ministerio de Ciência e Innovacion
  • Programa Consolider-Ingenio, Spain
  • ETH Board
  • ETH Zurich
  • PSI
  • SNF
  • UniZH
  • Canton Zurich
  • SER
  • National Science Council, Taipei
  • Scientific and Technical Research Council of Turkey
  • Turkish Atomic Energy Authority
  • Science and Technology Facilities Council (STFC)
  • US Department of Energy
  • US National Science Foundation
  • Marie-Curie programme
  • 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)
Abstract: 
The Y(1S), Y(2S), and Y(3S) production cross sections in proton-proton collisions at root s = 7 TeV are measured using a data sample collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 3.1 +/- 0.3 pb(-1). Integrated over the rapidity range vertical bar y vertical bar < 2, we find the product of the Y(1S) production cross section and branching fraction to dimuons to be sigma(pp -> Y(1S)X) center dot B(Y(1S) -> mu(+)mu(-)) = 7.37 +/- 0.13(-0.42)(+0.61) +/- 0.81 nb, where the first uncertainty is statistical, the second is systematic, and the third is associated with the estimation of the integrated luminosity of the data sample. This cross section is obtained assuming unpolarized Y(1S) production. With the assumption of fully transverse or fully longitudinal production polarization, the measured cross section changes by about 20%. We also report the measurement of the Y(1S), Y(2S), and Y(3S) differential cross sections as a function of transverse momentum and rapidity.
Issue Date: 
15-Jun-2011
Citation: 
Physical Review D. College Pk: Amer Physical Soc, v. 83, n. 11, p. 27, 2011.
Time Duration: 
27
Publisher: 
Amer Physical Soc
Source: 
http://dx.doi.org/10.1103/PhysRevD.83.112004
URI: 
http://hdl.handle.net/11449/24558
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/24558
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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