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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 sqrt(s) = 7 TeV

By G. Aad, S. Aoun, C. P. Bee, C. Bertella, N. Bousson, J. C. Clémens, Y. Coadou, F. Djama, F. Etienne, L. Feligioni, D. Hoffmann, F. Hubaut, E. B. F. G. Knoops, E. Le Guirriec, B. Li, J. Maurer, E. Monnier, J. Odier, P. Pralavorio, A. Rozanov, M. Talby, N. Tannoury, E. Tiouchichine, S. Tisserant, J. Toth, F. Touchard, L. Vacavant, C. Biscarat, E. Cogneras, G. Rahal, S. Abdel Khalek, H. Abreu, N. Andari, C. Arnault, E. Augé, P. Barrillon, M. Benoit, S. Binet, C. Bourdarios, C. De La Taille, J.B. De Vivie De Regie, L. Duflot, M. Escalier, L. Fayard, D. Fournier, J.-F. Grivaz, S. Henrot-Versillé, J. Hrivnac, L. Iconomidou-Fayard, J. Idarraga, M. Kado, N. Lorenzo Martinez, A. Lounis, N. Makovec, P. Matricon, F. Niedercorn, L. Poggioli, P. Puzo, A. Renaud, D. Rousseau, G. Rybkin, J.B. Sauvan, J. Schaarschmidt, A.C. Schaffer, L. Serin, S. Simion, R. Tanaka, M. Teinturier, J.J. Veillet, I. Vukotic, F. Wicek, D. Zerwas, Zhen Zhang, D. Boumediene, Emmanuel Busato, D. Calvet, S. Calvet, Reina Coromoto Camacho Toro, Diane Cinca, J. Donini, R. Febbraro, Ph. Gris, N. Ghodbane, C. Guicheney, H. Liao, D. Pallin, Daniela Paredes Hernández, F. Podlyski, C. Santoni, F. Vazeille, S. Albrand, M.L. Andrieux, Q. Buat, B. Clement, J. Collot, S. Crépé-Renaudin, B. Dechenaux, T. Delemontex, P.A. Delsart, M.H. Genest, J.Y. Hostachy, E. Laisne, F. Ledroit-Guillon, A. Lleres, A. Lucotte, F. Malek, J. Stark, X. Sun, B. Trocmé, J. Wang, C. Weydert, F. Vannucci, L. Aperio Bella, B. Aubert, N. Berger, J. Colas, M. Delmastro, L. Di Ciaccio, T.K.O. Doan, S. Elles, C. Goy, T. Hryn'Ova, S. Jézéquel, M. Kataoka, J. Labbe, R. Lafaye, J. Leveque, V.P. Lombardo, N. Massol, P. Perrodo, E. Petit, H. Przysiezniak, E. Richter-Was, G. Sauvage, E. Sauvan, M. Schwoerer, T. Todorov, D. Tsionou, I. Wingerter-Seez and R. Zitoun

Abstract

See paper for full list of authors, 7 pages plus author list (19 pages total), 4 figures, 11 tables, submitted to EPJC-LettersA 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 sqrt(s) = 7 TeV. The analysed data sample corresponds to an integrated luminosity of 4.6 /fb. 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

Topics: [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex]
Publisher: Springer Verlag (Germany)
Year: 2013
DOI identifier: 10.1140/epjc
OAI identifier: oai:HAL:in2p3-00743056v1
Provided by: Hal-Diderot
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