Search for Three-Jet Resonances in pp Collisions at √s=7 TeV

Results are reported from a search for the production of three-jet resonances in pp collisions at a center-of-mass energy root s = 7 TeV. The study uses the data sample collected by the CMS experiment at the LHC in 2011, corresponding to an integrated luminosity of 5.0 fb(-1). Events with high jet multiplicity and a large scalar sum of jet transverse momenta are analyzed for the presence of resonances in the three-jet invariant mass spectrum. No evidence for a narrow resonance is found in the data, and limits are set on the cross section for gluino pair production in an R-parity-violating supersymmetry model, for gluino masses greater than 280 GeV. Assuming a branching fraction for gluino decay into three jets of 100%, gluino masses below 460 GeV are excluded at 95% confidence level. These results significantly extend the range of previous limits. (C) 2012 CERN. Published by Elsevier By. All rights reserved.

Description

Pfeiffer, Andreas/0000-0001-5328-448X; Libeiro, Terence/0000-0003-0623-7909; Adler, Volker/0000-0002-4469-4468; Zalewski, Piotr/0000-0003-4429-2888; Hall-Wilton, Richard/0000-0003-3221-2086; Tricomi, Alessia Rita/0000-0002-5071-5501; Clement, Emyr/0000-0003-3412-4004; Scodellaro, Luca/0000-0002-4974-8330; Jafari, Abideh/0000-0001-7327-1870; Seixas, Joao/0000-0002-7531-0842; Menasce, Dario Livio/0000-0002-9918-1686; Linden, Tomas/0009-0002-4847-8882; Tytgat, Michael/0000-0002-3990-2074; Malvezzi, Sandra/0000-0002-0218-4910; Marco De Lucas, Jesus/0000-0001-7914-8494; Verwilligen, Piet/0000-0002-9285-8631; Torassa, Ezio/0000-0003-2321-0599; Neumeister, Norbert/0000-0003-2356-1700; Manthos, Nikolaos/0000-0003-3247-8909; Fiorendi, Sara/0000-0003-3273-9419; Lloret Iglesias, Lara/0000-0002-0157-4765; Mitselmakher, Guenakh/0000-0001-5745-3658; Grunewald, Martin/0000-0002-5754-0388; Oehler, Andreas/0000-0002-2858-3370; Deniz, Muhammed/0000-0002-9781-8241; Padhi, Sanjay/0000-0003-0650-048X; Martinez Ruiz Del Arbol, Pablo/0000-0002-7737-5121; 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