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Measurement of the W → τν Production Cross Section in pp ̄ Collisions at √s = 1.8TeV

  • D0 Collaboration
  • New York University
  • Michigan State University
  • Kurchatov Institute
  • Tata Institute of Fundamental Research, Mumbai
  • University of Texas at Arlington
  • University of Illinois at Chicago
  • Fermi National Accelerator Laboratory
  • Institute for Theoretical and Experimental Physics
  • Centro Brasileiro de Pesquisas Fisicas
  • University of Michigan, Ann Arbor
  • Iowa State University
  • Stony Brook University
  • University of Maryland, College Park
  • Women and Infants Hospital of Rhode Island-Warren Alpert Medical School of Brown University
  • University of California, Berkeley
  • University of Kansas
  • Universités Paris VI and VII
  • Moscow State University
  • Panjab University
  • Lancaster University
  • Northern Illinois University
  • Florida State University
  • University of California, Davis
  • Northwestern University
  • University of Rochester
  • Boston University
  • Rua São Francisco de Xavier
  • CINVESTAV-IPN

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

We report on a measurement of σ(pp¯→W + X)B(W →τν) in collisions at √s = 1.8 TeV at the Fermilab Tevatron. The measurement is based on an integrated luminosity (lum) of 18pb1 of data collected with the D0 detector during 1994–1995. We find that σ(pp¯→W + X)B(W →τν) = 2.22±(stat)±0.10(syst)±0.10(lum)nb. Lepton universality predicts that the ratio of the tau and electron electroweak charged current couplings to the W boson, gτW, be unity. We find = 0.980±0.031, in agreement with lepton universality.

Original languageEnglish
Pages (from-to)5710-5715
Number of pages6
JournalPhysical Review Letters
Volume84
Issue number25
DOIs
Publication statusPublished - 1 Jan 2000
Externally publishedYes

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