4.4 Article

Study of exclusive two-photon production of W+W- in pp collisions at √s=7 TeV and constraints on anomalous quartic gauge couplings

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 7, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP07(2013)116

Keywords

Hadron-Hadron Scattering

Funding

  1. Austrian Federal Ministry of Science and Research
  2. Austrian Science Fund
  3. Belgian Fonds de la Recherche Scientifique
  4. Fonds voor Wetenschappelijk Onderzoek
  5. CNPq
  6. CAPES
  7. FAPERJ
  8. FAPESP
  9. Bulgarian Ministry of Education, Youth and Science
  10. Chinese Academy of Sciences
  11. Ministry of Science and Technology
  12. National Natural Science Foundation of China
  13. Colombian Funding Agency (COLCIENCIAS)
  14. Croatian Ministry of Science, Education and Sport, Cyprus
  15. Research Promotion Foundation, Cyprus
  16. Ministry of Education and Research, Estonia [SF0690030s09]
  17. European Regional Development Fund, Estonia
  18. CERN
  19. Academy of Finland
  20. Finnish Ministry of Education and Culture
  21. Helsinki Institute of Physics
  22. Institut National de Physique Nucleaire et de Physique des Particules / CNRS, France
  23. Commissariat a l'Energie Atomique et aux Energies Alternatives / CEA, France
  24. Bundesministerium fur Bildung und Forschung, Germany
  25. Deutsche Forschungsgemeinschaft, Germany
  26. Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  27. General Secretariat for Research and Technology, Greece
  28. National Scientific Research Foundation, Hungary
  29. National Office for Research and Technology, Hungary
  30. Department of Atomic Energy, India
  31. Department of Science and Technology, India
  32. Institute for Studies in Theoretical Physics and Mathematics, Iran
  33. Science Foundation, Ireland
  34. Istituto Nazionale di Fisica Nucleare, Italy
  35. Korean Ministry of Education, Science and Technology, Republic of Korea
  36. World Class University program of NRF, Republic of Korea
  37. Lithuanian Academy of Sciences
  38. CINVESTAV
  39. CONACYT
  40. SEP
  41. UASLP-FAI
  42. Ministry of Science and Innovation, New Zealand
  43. Pakistan Atomic Energy Commission
  44. Ministry of Science and Higher Education
  45. National Science Centre, Poland
  46. Fundacao para a Ciencia e a Tecnologia, Portugal
  47. JINR, Armenia
  48. JINR, Belarus
  49. JINR, Georgia
  50. JINR, Ukraine
  51. JINR, Uzbekistan
  52. Ministry of Education and Science of the Russian Federation
  53. Federal Agency of Atomic Energy of the Russian Federation
  54. Russian Academy of Sciences
  55. Russian Foundation for Basic Research
  56. Ministry of Science and Technological Development of Serbia
  57. Secretaria de Estado de Investigacion, Desarrollo e Innovacion, Spain
  58. Programa Consolider-Ingenio, Spain
  59. ETH Board
  60. ETH Zurich
  61. PSI
  62. SNF
  63. UniZH
  64. Canton Zurich
  65. SER
  66. National Science Council, Taipei
  67. Thailand Center of Excellence in Physics
  68. Institute for the Promotion of Teaching Science and Technology of Thailand
  69. National Science and Technology Development Agency of Thailand
  70. Scientific and Technical Research Council of Turkey
  71. Turkish Atomic Energy Authority
  72. Science and Technology Facilities Council, UK
  73. US Department of Energy
  74. US National Science Foundation
  75. Marie-Curie programme
  76. European Research Council
  77. EPLANET (European Union)
  78. Leventis Foundation
  79. A. P. Sloan Foundation
  80. Alexander von Humboldt Foundation
  81. Belgian Federal Science Policy Office
  82. Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
  83. Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
  84. Ministry of Education, Youth and Sports (MEYS) of Czech Republic
  85. Council of Science and Industrial Research, India
  86. Compagnia di San Paolo (Torino)
  87. HOMING PLUS programme of Foundation for Polish Science
  88. EU
  89. Regional Development Fund
  90. Thalis programme
  91. EU-ESF
  92. Greek NSRF
  93. Aristeia programme
  94. STFC [ST/I005912/1, ST/I000410/1, ST/H000925/1, ST/F006748/1, ST/K001639/1, ST/L00609X/1, ST/G502347/1, ST/I505580/1, ST/J005665/1, ST/F007094/1, ST/J004901/1, ST/I002200/1, ST/I505572/1, ST/F007434/1, ST/K003844/1, ST/H00081X/2] Funding Source: UKRI
  95. Science and Technology Facilities Council [ST/K001639/1, ST/F006748/1, CMS, ST/G502347/1, ST/F007434/1, ST/K001604/1 DMUK, ST/K001256/1, ST/K003542/1 GRID PP, ST/K001604/1 SuperNEMO, ST/J005665/1, ST/K001604/1 LHCb, ST/L00609X/1, ST/I000410/1, ST/I505572/1, ST/J004901/1, ST/K003844/1, ST/K001604/1 T2K, ST/K001604/1, ST/F007094/1, ST/I003622/1 GRIDPP, ST/I005912/1, ST/K003844/1 GRIDPP, ST/H000925/1, ST/K001604/1 MICE/UKNF, ST/K001604/1 GRIDPP, ST/K001604/1 LHCb Upgrades, ST/I002200/1, ST/I505580/1, ST/I005912/1 GRIDPP, ST/L00609X/1 GRIDPP, ST/K001604/1 CMS Upgrade] Funding Source: researchfish
  96. Direct For Mathematical & Physical Scien
  97. Division Of Physics [1151640, 0969555] Funding Source: National Science Foundation
  98. Division Of Physics
  99. Direct For Mathematical & Physical Scien [1314131, 1211067, 1205960] Funding Source: National Science Foundation

Ask authors/readers for more resources

A search for exclusive or quasi-exclusive W+W- production by photon-photon interactions, pp -> p(*)W(+)W(-)p(*), at \/s = 7 TeV is reported using data collected by the CMS detector with an integrated luminosity of 5.05 fb(-1). Events are selected by requiring a mu(+/-)mu(-/+) vertex with no additional associated charged tracks and dilepton transverse momentum p(T)(mu(+/-)mu(-/+)) > 30 GeV. Two events passing all selection requirements are observed in the data, compared to a standard model expectation of 2.2 +/- 0.4 signal events with 0.84 +/- 0.15 background. The tail of the dilepton p(T) distribution is studied for deviations from the standard model. No events are observed with p(T) > 100 GeV. Model-independent upper limits are computed and compared to predictions involving anomalous quartic gauge couplings. The limits on the parameters a(0,c)(W)/A(2) with a dipole form factor and an energy cutoff A(cutoff) = 500 GeV are of the order of 10(-4).

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