Search for pair production of massive particles decaying into three quarks with the ATLAS detector in [square root]s = 7 TeV pp collisions at the LHC

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Abstract: A search is conducted for hadronic three-body decays of a new massive coloured particle in s√=7TeV 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

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch
Notes
Journal of high energy physics. - 2012, 12 (2012) , 86, ISSN: 1029-8479

DOI
10.1007/jhep12(2012)086
URN
urn:nbn:de:bsz:25-freidok-2238764
Rights
Kein Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:21 AM CEST

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Associated

Time of origin

  • 2022

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