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Production of WZ events in pp collisions at s=1.96TeV and limits on anomalous WWZ couplings

  • V. M. Abazov
  • , B. Abbott
  • , M. Abolins
  • , B. S. Acharya
  • , M. Adams
  • , T. Adams
  • , M. Agelou
  • , J. L. Agram
  • , S. H. Ahn
  • , M. Ahsan
  • , G. D. Alexeev
  • , G. Alkhazov
  • , A. Alton
  • , G. Alverson
  • , G. A. Alves
  • , M. Anastasoaie
  • , T. Andeen
  • , S. Anderson
  • , B. Andrieu
  • , Y. Arnoud
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Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

We present results from a search for WZ production with subsequent decay to â.,"Îâ.,"â€â., "Ââ€(â.," and â.,"â€=e or Î) using 0.30fb-1 of data collected by the D0 experiment between 2002 and 2004 at the Fermilab Tevatron. Three events with WZ decay characteristics are observed. With an estimated background of 0.71±0.08 events, we measure the WZ production cross section to be 4.5-2.6+3.8pb, with a 95% C.L. upper limit of 13.3 pb. The 95% C.L. limits for anomalous WWZ couplings are found to be -2.0<Î"ÎZ<2.4 for form factor scale Î=1TeV, and -0.48<Î Z<0.48 and -0.49<Î"g1Z<0. 66 for Î=1.5TeV.

Original languageEnglish
Article number141802
JournalPhysical Review Letters
Volume95
Issue number14
DOIs
StatePublished - Sep 30 2005

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