4.7 Article

Transverse momentum cross section of e+e- pairs in the Z-boson region from p(p)over-bar collisions at √s=1.96 TeV

Journal

PHYSICAL REVIEW D
Volume 86, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.86.052010

Keywords

-

Funding

  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 Bildung und Forschung, Germany
  10. Korean World Class University Program
  11. National Research Foundation of Korea
  12. Science and Technology Facilities Council
  13. Royal Society, UK
  14. Russian Foundation for Basic Research
  15. Ministerio de Ciencia e Innovacion
  16. Programa Consolider-Ingenio, Spain
  17. Slovak RD Agency
  18. Academy of Finland
  19. Australian Research Council (ARC)
  20. ICREA Funding Source: Custom
  21. Science and Technology Facilities Council [ST/M001474/1, ST/H001026/2, ST/H001069/2, ST/H001026/1, PP/E003699/1, PP/E003699/2, ST/K001418/1] Funding Source: researchfish
  22. STFC [ST/H001026/1, PP/E003699/2, ST/H001069/2, PP/E003699/1, ST/H001026/2] Funding Source: UKRI

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The transverse momentum cross section of e(+)e(-) pairs in the Z-boson mass region of 66-116 GeV/c(2) is precisely measured using Run II data corresponding to 2: 1 fb(-1) of integrated luminosity recorded by the Collider Detector at Fermilab. The cross section is compared with two quantum chromodynamic calculations. One is a fixed-order perturbative calculation at O(alpha(2)(s)), and the other combines perturbative predictions at high transverse momentum with the gluon resummation formalism at low transverse momentum. Comparisons of the measurement with calculations show reasonable agreement. The measurement is of sufficient precision to allow refinements in the understanding of the transverse momentum distribution.

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