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Title

Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √s=7 TeV proton–proton collisions

CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Bell, Paul / Bell, William / Berglund, Frida Elina / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Efthymiopoulos, Ilias / Ferrere, Didier / Gadomski, Szymon / Garcia Navarro, Jose Enrique / Gaumer, Olivier / Gonzalez Sevilla, Sergio / Goulette, Marc / Hamilton, Andrew / Leger, Annie / Lister, Alison / Macina-Buono, Daniela / Martin Dit Latour, Bertrand / Mikulec, Bettina / Moneta, Lorenzo / Mora Herrera, Maria Clemencia Rosario / Morone, Maria Cristina / Nektarijevic, Snezana / Orellana, Frédérik / Pasztor, Arpad / Pohl, Martin / Robichaud-Veronneau, Andrée / Rosselet, Laurent / Urquijo, Phillip / Wu, Xin
Published in Physics Letters. B. 2011, vol. 701, no. 2, p. 186-203
Abstract A search for squarks and gluinos in final states containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded by the ATLAS experiment in √s=7 TeV proton–proton collisions at the Large Hadron Collider. No excess above the Standard Model background expectation was observed in 35 pb−1 of analysed data. Gluino masses below 500 GeV are excluded at the 95% confidence level in simplified models containing only squarks of the first two generations, a gluino octet and a massless neutralino. The exclusion increases to 870 GeV for equal mass squarks and gluinos. In MSUGRA/CMSSM models with tanβ=3, A0=0 and μ>0, squarks and gluinos of equal mass are excluded below 775 GeV. These are the most stringent limits to date.
Keywords SupersymmetrySquarkGluinoSearchLHCATLAS
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ATLAS COLLABORATION. Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √s=7 TeV proton–proton collisions. In: Physics Letters. B, 2011, vol. 701, n° 2, p. 186-203. https://archive-ouverte.unige.ch/unige:41428

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Deposited on : 2014-10-31

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