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Type: Journal article
Title: Search for pair production of massive particles decaying into three quarks with the ATLAS detector in root √s=7 TeV pp collisions at the LHC
Other Titles: Search for pair production of massive particles decaying into three quarks with the ATLAS detector in root s=7 TeV pp collisions at the LHC
Author: Jackson, P.
Soni, N.
White, M.
Citation: The Journal of High Energy Physics, 2012; 2012(12):86-0-86-41
Publisher: Institute of Physics Publishing
Issue Date: 2012
ISSN: 1029-8479
Contributor: Jackson, Paul Douglas
Statement of
The ATLAS collaboration
Abstract: A search is conducted for hadronic three-body decays of a new massive coloured particle in √s=7 TeV pp collisions at the LHC using an integrated luminosity of 4.6 fb−1 collected by the ATLAS detector. Supersymmetric gluino pair production in the context of a model with R-parity violation is used as a benchmark scenario. The analysis is divided into two search channels, each optimised separately for their sensitivity to high-mass and low-mass gluino production. The first search channel uses a stringent selection on the transverse momentum of the six leading jets and is performed as a counting experiment. The second search channel focuses on low-mass gluinos produced with a large boost. Large-radius jets are selected and the invariant mass of each of the two leading jets is used as a discriminant between the signal and the background. The results are found to be consistent with Standard Model expectations and limits are set on the allowed gluino mass.
Keywords: Hadron-Hadron Scattering
Description: ATLAS Collaboration Contributor: P. Jackson
Rights: Open Access, Copyright CERN, for the benefit of the ATLAS collaboration
RMID: 0020126386
DOI: 10.1007/JHEP12(2012)086
Appears in Collections:Chemistry and Physics publications

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