Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions
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Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions

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Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions

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ATLAS Collaboration; Mitsou, Vasiliki; Ferrer Soria, Antonio Perfil; Valls Ferrer, Juan Antonio; Castillo Giménez, María Victoria Perfil; Cabrera Urbán, Susana Perfil; Fuster Verdú, Juan A. Perfil; Fiorini, Luca; Ros Martínez, Eduardo; Hernández Jiménez, Yesenia; Lacasta Llácer, Carlos; Higón Rodríguez, Emilio Perfil; Salt Cairols, José Perfil; González de la Hoz, Santiago Perfil; García García, Carmen Perfil; Martí García, Salvador; Villaplana Pérez, Miguel; Lacuesta Miquel, Vicente
Aquest document és un/a article, creat/da en: 2011

Este documento está disponible también en : http://dx.doi.org/10.1016/j.physletb.2011.05.061
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 root 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 tan beta = 3, A(0) = 0 and μ> 0, squarks and gluinos of equal mass are excluded below 775 GeV. These are the most stringent limits to date.

    ATLAS Collaboration Mitsou, Vasiliki Ferrer Soria, Antonio Valls Ferrer, Juan Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana Fuster Verdú, Juan A. Fiorini, Luca Ros Martínez, Eduardo Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Higón Rodríguez, Emilio Salt Cairols, José González de la Hoz, Santiago García García, Carmen Martí García, Salvador Villaplana Pérez, Miguel Lacuesta Miquel, Vicente 2011 Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions Physics Letters B 701 2 186 203
http://dx.doi.org/10.1016/j.physletb.2011.05.061
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