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Evidence of WW and WZ production with lepton+jets final states in pp̄ collisions at s=1.96TeV

  • V. M. Abazov
  • , B. Abbott
  • , M. Abolins
  • , B. S. Acharya
  • , M. Adams
  • , T. Adams
  • , E. Aguilo
  • , M. Ahsan
  • , G. D. Alexeev
  • , G. Alkhazov
  • , A. Alton
  • , G. Alverson
  • , G. A. Alves
  • , M. Anastasoaie
  • , L. S. Ancu
  • , T. Andeen
  • , B. Andrieu
  • , M. S. Anzelc
  • , M. Aoki
  • , Y. Arnoud
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Résultats de recherche: Contribution à un journalArticleRevue par des pairs

37 Citations (Scopus)

Résumé

We present first evidence for WW+WZ production in lepton+jets final states at a hadron collider. The data correspond to 1.07fb-1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron in pp̄ collisions at s=1.96TeV. The observed cross section for WW+WZ production is 20.2±4.5pb, consistent with the standard model and more precise than previous measurements in fully leptonic final states. The probability that background fluctuations alone produce this excess is <5.4×10-6, which corresponds to a significance of 4.4 standard deviations.

langue originaleAnglais
Numéro d'article161801
journalPhysical Review Letters
Volume102
Numéro de publication16
Les DOIs
étatPublié - 21 avr. 2009
Modification externeOui

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