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Measurements of inclusive W plus jets production rates as a function of jet transverse momentum in p(p)over-bar collisions root s=1.96 TeV

Research output: Contribution to journalJournal article

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  • V. M. Abazov
  • B. Abbott
  • B. S. Acharya
  • M. Adams
  • T. Adams
  • G. D. Alexeev
  • G. Alkhazov
  • A. Alton
  • G. Alverson
  • G. A. Alves
  • M. Aoki
  • M. Arov
  • A. Askew
  • B. Asman
  • O. Atramentov
  • C. Avila
  • J. BackusMayes
  • F. Badaud
  • L. Bagby
  • B. Baldin
  • D. V. Bandurin
  • S. Banerjee
  • E. Barberis
  • P. Baringer
  • J. Barreto
  • J. F. Bartlett
  • U. Bassler
  • V. Bazterra
  • S. Beale
  • A. Bean
  • M. Begalli
  • M. Begel
  • C. Belanger-Champagne
  • L. Bellantoni
  • S. B. Beri
  • G. Bernardi
  • R. Bernhard
  • I. Bertram
  • M. Besancon
  • R. Beuselinck
  • V. A. Bezzubov
  • P. C. Bhat
  • V. Bhatnagar
  • G. Blazey
  • G. Borissov
  • H. Fox
  • D. Price
  • P. N. Ratoff
  • A. Ross
  • M. R. J. Williams
  • Do Collaboration
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<mark>Journal publication date</mark>11/11/2011
<mark>Journal</mark>Physics Letters B
Issue number3
Volume705
Number of pages8
Pages (from-to)200-207
Publication statusPublished
Original languageEnglish

Abstract

This Letter describes measurements of inclusive W (-> ev) + n jet cross sections (n = 1-4), presented as total inclusive cross sections and differentially in the nth jet transverse momentum. The measurements are made using data corresponding to an integrated luminosity of 4.2 fb(-1) collected by the DO detector at the Fermilab Tevatron Collider, and achieve considerably smaller uncertainties on W + jets production cross sections than previous measurements. The measurements are compared to next-to-leading order perturbative QCD (pQCD) calculations in the n = 1-3 jet multiplicity bins and to leading order pQCD calculations in the 4-jet bin. The measurements are generally in agreement with pQCD calculations, although certain regions of phase space are identified where these predictions could better match the data.