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Search for pair-produced massive coloured scalars in four-jet final states with the ATLAS detector in proton–proton collisions at s√=7 TeV

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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  • The ATLAS collaboration
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Article number2263
<mark>Journal publication date</mark>01/2013
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number1
Volume73
Number of pages20
Publication StatusPublished
<mark>Original language</mark>English

Abstract

A search for pair-produced massive coloured scalar particles decaying to a four-jet final state is performed by the ATLAS experiment at the LHC in proton–proton collisions at s√=7 TeV . The analysed data sample corresponds to an integrated luminosity of 4.6 fb−1. No deviation from the Standard Model is observed in the invariant mass spectrum of the two-jet pairs. A limit on the scalar gluon pair production cross section of 70 pb (10 pb) is obtained at the 95 % confidence level for a scalar gluon mass of 150 GeV (350 GeV). Interpreting these results as mass limits on scalar gluons, masses ranging from 150 GeV to 287 GeV are excluded at the 95 % confidence level.

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This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.