4.7 Article

Measurement of the production and differential cross sections of W+W- bosons in association with jets in p(p)over-bar collisions at √s = 1.96 TeV

期刊

PHYSICAL REVIEW D
卷 91, 期 11, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.111101

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资金

  1. U.S. Department of Energy
  2. National Science Foundation
  3. Italian Istituto Nazionale di Fisica Nucleare
  4. Ministry of Education, Culture, Sports, Science and Technology of Japan
  5. Natural Sciences and Engineering Research Council of Canada
  6. National Science Council of the Republic of China
  7. Swiss National Science Foundation
  8. A. P. Sloan Foundation
  9. Bundesministerium fur Bilding und Forschung, Germany
  10. Korean World Class University Program, National Research Foundation of Korea
  11. Science and Technology Facilities Council
  12. Royal Society, United Kingdom
  13. Russian Foundation for Basic Research
  14. Ministerio de Ciencia e Innovacion, and Programa Consolider-Ingenio, Spain
  15. Slovak RD Agency
  16. Academy of Finland
  17. Australian Research Council (ARC)
  18. EU community Marie Curie Fellowship Grant [302103]
  19. ICREA Funding Source: Custom
  20. STFC [ST/K00140X/1, ST/L00352X/1, ST/M000761/1, ST/K00137X/1] Funding Source: UKRI
  21. Science and Technology Facilities Council [ST/K00140X/1, ST/K001418/1, ST/K00137X/1, ST/M001474/1, ST/L00352X/1, ST/M000761/1] Funding Source: researchfish

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We present a measurement of the W-boson-pair production cross section in p (p) over bar collisions at 1.96 TeV center-of-mass energy and the first measurement of the differential cross section as a function of jet multiplicity and leading-jet energy. The W+W- cross section is measured in the final state comprising two charged leptons and neutrinos, where either charged lepton can be an electron or a muon. Using data collected by the CDF experiment corresponding to 9.7 fb(-1) of integrated luminosity, a total of 3027 collision events consistent with W+W- production are observed with an estimated background contribution of 1790 +/- 190 events. The measured total cross section is sigma(p (p) over bar --> W+W-) = 14.0 +/- 0.6(stat)(-1.0)(+1.2)(syst) +/- 0.8(lumi) pb, consistent with the standard model prediction.

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