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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/128962
Title: 
Measurement of diffractive dissociation cross sections in pp collisions at root s=7 TeV
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • OeAW
  • Natl Ctr Particle &High Energy Phys
  • Univ Antwerp
  • Vrije Univ Brussel
  • Univ Libre Bruxelles
  • Univ Ghent
  • Catholic Univ Louvain
  • Univ Mons
  • Ctr Brasileiro Pesquisas Fis
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Universidade Federal do ABC (UFABC)
  • Bulgarian Acad Sci
  • Univ Sofia
  • Inst High Energy Phys
  • Peking Univ
  • Univ Los Andes
  • Univ Split
  • Rudjer Boskovic Inst
  • Univ Cyprus
  • Charles Univ Prague
  • Acad Sci Res &Technol Arab Republ Egypt
  • NICPB
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenrunta Univ Technol
  • CEA Saclay
  • Ecole Polytech
  • Univ Haute Alsace Mulhouse
  • CNRS
  • Univ Lyon 1
  • Tbilisi State Univ
  • Rhein Westfal TH Aachen
  • DESY
  • Univ Hamburg
  • Univ Karlsruhe
  • NCSR Demokritos
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  • Univ Ioannina
  • Wigner Res Ctr Phys
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  • Univ Debrecen
  • Natl Inst Sci Educ &Res
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  • Univ Delhi
  • Saha Inst Nucl Phys
  • Bhabha Atom Res Ctr
  • Tata Inst Fundamental Res
  • Inst Res Fundamental Sci IPM
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  • Lab Instrumentacao &Fis Expt Particulas
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  • Inst Theoret &Expt Phys
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  • Vinca Inst Nucl Sci
  • CIEMAT
  • Univ Autonoma Madrid
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  • CERN
  • Paul Scherrer Inst
  • Swiss Fed Inst Technol
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  • Natl Cent Univ
  • NTU
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  • Cukurova Univ
  • Middle E Tech Univ
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  • Texas A&M Univ Qatar
  • Kyungpook Natl Univ
ISSN: 
1550-7998
Sponsorship: 
  • Austrian Federal Ministry of Science, Research and Economy
  • Austrian Science Fund
  • Belgian 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
  • CERN
  • Chinese Academy of Sciences, Ministry of Science and Technology
  • National Natural Science Foundation of China
  • Colombian Funding Agency (COLCIENCIAS)
  • Croatian Ministry of Science, Education and Sport
  • Croatian Science Foundation
  • Research Promotion Foundation, Cyprus
  • Ministry of Education and Research
  • Estonian Research Council
  • European Regional Development Fund, Estonia
  • Academy of Finland
  • Finnish Ministry of Education and Culture
  • Helsinki Institute of Physics
  • Institut National de Physique Nucleaire et de Physique des Particules/CNRS
  • Commissariat a l'Energie Atomique et aux Energies Alternatives/CEA
  • Bundesministerium fur Bildung und Forschung
  • Deutsche Forschungsgemeinschaft
  • Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  • General Secretariat for Research and Technology, Greece
  • National Scientific Research Foundation
  • National Innovation Office; Hungary
  • Department of Atomic Energy and the Department of Science and Technology. India
  • Institute for Studies in Theoretical Physics and Mathematics, Iran
  • Science Foundation, Ireland
  • Istituto Nazionale di Fisica Nucleate, Italy
  • Ministry of Science. ICT and Future Planning
  • National Research Foundation (NRF), Republic of Korea
  • Lithuanian Academy of Sciences
  • Ministry'of Education, and University of Malaya (Malaysia)
  • CINVESTAV
  • CONACYT
  • SEP
  • UASLP-FAI
  • Ministry of Business; Innovation and Employment, New Zealand
  • Pakistan Atomic Energy Commission
  • Ministry of Science and Higher Education
  • National Science Centre, Poland
  • Fundacao para a Ciencia e a Tecnologia, Portugal
  • JINR, Dubna
  • Ministry of Education and Science of the Russian Federation
  • Federal Agency of Atomic Energy of the Russian Federation
  • Russian Academy of Sciences
  • Russian Foundation for Basic Research
  • Ministry'of Education, Science and Technological Development of Serbia
  • Secretaria de Estado de Investigacion, Desarrollo e Innovacion and Programa Consolider-Ingenio 2010, Spain
  • ETH Board
  • ETH Zurich
  • PSI
  • SNF
  • UniZH
  • Canton Zurich
  • SER
  • Ministry of Science and Technology, Taipei
  • Thailand Center of Excellence in Physics
  • Institute for the Promotion of Teaching Science and Technology of Thailand
  • Special Task Force for Activating Research
  • National Science and Technology Development Agency of Thailand
  • Scientific and Technical Research Council of Turkey
  • Turkish Atomic Energy Authority
  • National Academy of Sciences of Ukraine
  • State Fund for Fundamental Researches, Ukraine
  • Science and Technology Facilities Council, UK
  • US Department of Energy
  • US National Science Foundation
  • Marie-Curie program
  • European Research Council
  • EPLANET (European Union)
  • Leventis Foundation
  • A. P. Sloan Foundation
  • Alexander von Humboldt Foundation
  • 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)
  • Ministry of Education. Youth and Sports (MEYS) of the Czech Republic
  • Council of Science and Industrial Research, India
  • HOMING PLUS program of the Foundation for Polish Science
  • European Union, Regional Development Fund
  • Compagnia di San Paolo (Torino)
  • Consorzio per la Fisica (Trieste)
  • MIUR (Italy)
  • Thalis and Aristeia programs
  • EU-ESF
  • Greek NSRF
  • National Priorities Research Program by Qatar National Research Fund
Sponsorship Process Number: 
  • Estonian Research Council: IUT23-4
  • Estonian Research Council: IUT23-6
  • MIUR (Italy): 20108T4XTM
Abstract: 
Measurements of diffractive dissociation cross sections in pp collisions at root s = 7 TeV are presented in kinematic regions defined by the masses M-X and M-Y of the two final-state hadronic systems separated by the largest rapidity gap in the event. Differential cross sections are measured as a function of xi= M-X(2)/s in the region -5.5 < log(10)xi 10(X) < -2.5, for logio M-Y < 0.5, dominated by single dissociation (SD), and 0.5 < log(10)M(Y) < 1.1, dominated by double dissociation (DD), where M-x and M-y are given in GeV. The inclusive pp cross section is also measured as a function of the width of the central pseudorapidity gap Delta eta for Delta eta > 3, logio M-X > 1.1, and logioMy > 1.1, a region dominated by DD. The cross sections integrated over these regions are found to be, respectively, 2.99 0.02(staf)12392(sysf) mb, 1.18 +/- 0.02(stat) +/- 0.13(syst) mh, and 0.58 +/- 0.01(stat)(-0.11)(+0.13) (syst) mh, and are used to extract extrapolated total SD and DD cross sections. In addition, the inclusive differential cross section, d sigma/d Delta eta(F), for events with a pseudorapidity gap adjacent to the edge of the detector, is measured over Delta eta F = 8.4 units of pseudorapidity. The results are compared to those of other experiments and to theoretical predictions and found compatible with slowly 'rising diffractive cross sections as a function of center-of-mass energy.
Issue Date: 
6-Jul-2015
Citation: 
Physical Review D, v. 92, n. 1, p. 1-32, 2015.
Time Duration: 
1-32
Publisher: 
Amer Physical Soc
Source: 
http://journals.aps.org/prd/abstract/10.1103/PhysRevD.92.012003
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/128962
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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