Search for Massive Colored Scalars in Four-Jet Final States in sqrt{s}=7 TeV proton-proton collisions with the ATLAS Detector - Archive ouverte HAL Access content directly
Journal Articles European Physical Journal C: Particles and Fields Year : 2011

Search for Massive Colored Scalars in Four-Jet Final States in sqrt{s}=7 TeV proton-proton collisions with the ATLAS Detector

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G. Aad
N. Berger
C. Goy
T. Hryn'Ova
E. Cogneras
S. Calvet
Diane Cinca
Y. Coadou
F. Vannucci
  • Function : Author
E. Augé
C. Collard
Sara Diglio
D. Rousseau
Zhiqing Zhang
  • Function : Author
  • PersonId : 829631

Abstract

A search for pair-produced scalar particles decaying to a four-jet final state is presented. The analysis is performed using an integrated luminosity of 34 pb^-1 recorded by the ATLAS detector in 2010. No deviation from the Standard Model is observed. For a scalar mass of 100 GeV (190 GeV) the limit on the scalar gluon pair production cross section at 95% confidence level is 1 nb (0.28 nb). When these results are interpreted as mass limits, scalar-gluons (hyperpions) with masses of 100 to 185 GeV (100 to 155 GeV) are excluded at 95% confidence level with the exception of a mass window of width about 5 GeV (15 GeV) around 140 GeV.

Dates and versions

in2p3-00632568 , version 1 (14-10-2011)

Identifiers

Cite

G. Aad, L. Aperio Bella, B. Aubert, N. Berger, J. Colas, et al.. Search for Massive Colored Scalars in Four-Jet Final States in sqrt{s}=7 TeV proton-proton collisions with the ATLAS Detector. European Physical Journal C: Particles and Fields, 2011, 71, pp.1828. ⟨10.1140/epjc/s10052-011-1828-6⟩. ⟨in2p3-00632568⟩
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