Published January 4, 2010 | Version v1
Journal article

Measurement of Z/γ*+jet+X angular distributions in pp-bar collisions at √(s)=1.96 TeV

  • 1. Joint Institute for Nuclear Research, Dubna (Russian Federation)
  • 2. University of Oklahoma, Norman, OK 73019 (United States)
  • 3. Michigan State University, East Lansing, MI 48824 (United States)
  • 4. Tata Institute of Fundamental Research, Mumbai (India)
  • 5. University of Illinois at Chicago, Chicago, IL 60607 (United States)
  • 6. Florida State University, Tallahassee, FL 32306 (United States)
  • 7. University of Alberta, Edmonton, Alberta, and Simon Fraser University, Burnaby, British Columbia, and York University, Toronto, Ontario, and McGill University, Montreal, Quebec (Canada)
  • 8. Kansas State University, Manhattan, KS 66506 (United States)
  • 9. Petersburg Nuclear Physics Institute, St. Petersburg (Russian Federation)
  • 10. University of Michigan, Ann Arbor, MI 48109 (United States)
  • 11. Northeastern University, Boston, MA 02115 (United States)
  • 12. LAFEX, Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil)
  • 13. Radboud University Nijmegen/NIKHEF, Nijmegen (Netherlands)
  • 14. Northwestern University, Evanston, IL 60208 (United States)
  • 15. Fermi National Accelerator Laboratory, Batavia, IL 60510 (United States)
  • 16. LPSC, Universite Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Grenoble (France)
  • 17. Louisiana Tech University, Ruston, LA 71272 (United States)
  • 18. CEA, Irfu, SPP, Saclay (France)

Description

We present the first measurements at a hadron collider of differential cross sections for Z/γ*+jet+X production in Δφ(Z,jet), |Δy(Z,jet)| and |yboost(Z+jet)|. Vector boson production in association with jets is an excellent probe of QCD and constitutes the main background to many small cross section processes, such as associated Higgs production. These measurements are crucial tests of the predictions of perturbative QCD and current event generators, which have varied success in describing the data. Using these measurements as inputs in tuning event generators will increase the experimental sensitivity to rare signals.

Availability note (English)

Available from http://dx.doi.org/10.1016/j.physletb.2009.11.012

Additional details

Identifiers

DOI
10.1016/j.physletb.2009.11.012;
arXiv
arXiv:0907.4286v2;
PII
S0370-2693(09)01345-8;

Publishing Information

Journal Title
Physics Letters. Section B
Journal Volume
682
Journal Issue
4-5
Journal Page Range
p. 370-380
ISSN
0370-2693
CODEN
PYLBAJ

Optional Information

Copyright
Copyright (c) 2009 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.