4.7 Article

Measurement of the WZ production cross section in pp collisions at √s=7 and 8 TeV and search for anomalous triple gauge couplings at √s=8 TeV

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EUROPEAN PHYSICAL JOURNAL C
卷 77, 期 4, 页码 -

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SPRINGER
DOI: 10.1140/epjc/s10052-017-4730-z

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资金

  1. BMWFW (Austria)
  2. FWF (Austria)
  3. FNRS (Belgium)
  4. FWO (Belgium)
  5. CNPq (Brazil)
  6. CAPES (Brazil)
  7. FAPERJ (Brazil)
  8. FAPESP (Brazil)
  9. MES (Bulgaria)
  10. CERN
  11. CAS (China)
  12. MoST (China)
  13. NSFC (China)
  14. COLCIENCIAS (Colombia)
  15. MSES (Croatia)
  16. CSF (Croatia)
  17. RPF (Cyprus)
  18. SENESCYT (Ecuador)
  19. MoER (Estonia)
  20. ERC IUT (Estonia)
  21. ERDF (Estonia)
  22. Academy of Finland (Finland)
  23. MEC (Finland)
  24. HIP (Finland)
  25. CEA (France)
  26. CNRS/IN2P3 (France)
  27. BMBF (Germany)
  28. DFG (Germany)
  29. HGF (Germany)
  30. GSRT (Greece)
  31. OTKA (Hungary)
  32. NIH (Hungary)
  33. DAE (India)
  34. DST (India)
  35. IPM (Iran)
  36. SFI (Ireland)
  37. INFN (Italy)
  38. MSIP (Republic of Korea)
  39. NRF (Republic of Korea)
  40. LAS (Lithuania)
  41. MOE (Malaysia)
  42. UM (Malaysia)
  43. BUAP (Mexico)
  44. CINVESTAV (Mexico)
  45. CONACYT (Mexico)
  46. LNS (Mexico)
  47. SEP (Mexico)
  48. UASLP-FAI (Mexico)
  49. MBIE (New Zealand)
  50. PAEC (Pakistan)
  51. MSHE (Poland)
  52. NSC (Poland)
  53. FCT (Portugal)
  54. JINR (Dubna)
  55. MON (Russia)
  56. RosAtom (Russia)
  57. RAS (Russia)
  58. RFBR (Russia)
  59. MESTD (Serbia)
  60. SEIDI (Spain)
  61. CPAN (Spain)
  62. Swiss Funding Agencies (Switzerland)
  63. MST (Taipei)
  64. ThEPCenter (Thailand)
  65. IPST (Thailand)
  66. STAR (Thailand)
  67. NSTDA (Thailand)
  68. TUBITAK (Turkey)
  69. TAEK (Turkey)
  70. NASU (Ukraine)
  71. SFFR (Ukraine)
  72. STFC (United Kingdom)
  73. DOE (USA)
  74. NSF (USA)
  75. Marie-Curie programme (European Union)
  76. European Research Council (European Union)
  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 the Czech Republic
  85. Council of Science and Industrial Research, India
  86. HOMING PLUS programme of the Foundation for Polish Science - European Union, Regional Development Fund
  87. Ministry of Science and Higher Education
  88. National Science Center (Poland) [Harmonia 2014/14/M/ST2/00428, Opus 2013/11/B/ST2/04202, 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, Sonata-bis 2012/07/E/ST2/01406]
  89. Thalis programme - EU-ESF
  90. Aristeia programme - EU-ESF
  91. Greek NSRF
  92. National Priorities Research Program by Qatar National Research Fund
  93. Programa Clarin-COFUND del Principado de Asturias
  94. Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University
  95. Chulalongkorn Academic into Its second Century Project Advancement Project (Thailand)
  96. Welch Foundation [C-1845]
  97. STFC [PP/E000479/1, ST/H000925/1] Funding Source: UKRI
  98. Science and Technology Facilities Council [PP/E000479/1, GRIDPP, ST/H000925/1, CMS] Funding Source: researchfish
  99. Direct For Mathematical & Physical Scien
  100. Division Of Physics [1624356, 1211067, 1508869] Funding Source: National Science Foundation
  101. Division Of Physics
  102. Direct For Mathematical & Physical Scien [1506130, 1151640, 1606321, 1506168] Funding Source: National Science Foundation

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The WZ production cross section is measured by the CMS experiment at the CERN LHC in proton proton collision data samples corresponding to integrated luminosities of 4.9 fb(-1) collected at root s = 7 TeV, and 19.6fb(-1) at root s = 8 TeV. The measurements are performed using the fully-leptonic WZ decay modes with electrons and muons in the final state. The measured cross sections for 71 < m(Z) < 111 GeV are sigma (pp -> WZ; root s = 7 TeV) = 20.14 +/- 1.32 (stat)+/- 0.38 (theo)+/- 1.06 (exp)+/- 0.44 (lumi) pb and sigma (pp -> WZ; root s = 8 TeV) = 24.09 +/- 0.87 (stat) 0.80 (theo) +/- 1.40 (exp) +/- 0.63 (lumi) pb. Differential cross sections with respect to the Z boson p(T), the leading jet p(T), and the number of jets are obtained using the root s = 8 TeV data. The results are consistent with standard model predictions and constraints on anomalous triple gauge couplings are obtained.

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