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Search for admixture of scalar top quarks in the t over(t, ̄) lepton + jets final state at sqrt(s) = 1.96 TeV

  • 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

24 Citations (Scopus)

Résumé

A search for pair production of the lightest supersymmetric partner of the top quark, over(t, ̃)1, is performed in the lepton + jets channel using 0.9 fb-1 of data collected by the DØ experiment. Kinematic differences between over(t, ̃)1 over(over(t, ̃), ̄)1 and the dominant top quark pair production background are used to separate the two processes. First limits from Run II of the Fermilab Tevatron Collider for the scalar top quark decaying to a chargino and a b quark (over(t, ̃)1 → over(χ, ̃)1 + b) are obtained for scalar top quark masses of 130-190 GeV and chargino masses of 90-150 GeV.

langue originaleAnglais
Pages (de - à)4-10
Nombre de pages7
journalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume674
Numéro de publication1
Les DOIs
étatPublié - 6 avr. 2009
Modification externeOui

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