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Search for a heavy neutral gauge boson in the dielectron channel with 5.4 fb-1 of pp- collisions at s=1.96 TeV

  • V. M. Abazov
  • , B. Abbott
  • , M. Abolins
  • , B. S. Acharya
  • , M. Adams
  • , T. Adams
  • , G. D. Alexeev
  • , G. Alkhazov
  • , A. Alton
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  • , G. A. Alves
  • , L. S. Ancu
  • , M. Aoki
  • , Y. Arnoud
  • , M. Arov
  • , A. Askew
  • , B. Åsman
  • , O. Atramentov
  • , C. Avila
  • , J. BackusMayes
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Résultats de recherche: Contribution à un journalArticleRevue par des pairs

83 Citations (Scopus)

Résumé

We report the results of a search for a heavy neutral gauge boson Z' decaying into the dielectron final state using data corresponding to an integrated luminosity of 5.4 fb-1 collected by the D0 experiment at the Fermilab Tevatron Collider. No significant excess above the standard model prediction is observed in the dielectron invariant-mass spectrum. We set 95σ(pp-→Z')×BR(Z'→ee) depending on the dielectron invariant mass. These cross section limits are used to determine lower mass limits for Z' bosons in a variety of models. For the sequential standard model Z' boson a lower mass limit of 1023 GeV is obtained.

langue originaleAnglais
Pages (de - à)88-94
Nombre de pages7
journalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume695
Numéro de publication1-4
Les DOIs
étatPublié - 10 janv. 2011
Modification externeOui

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