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
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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

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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

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ATLAS Collaboration; Mitsou, Vasiliki; Fuster Verdú, Juan A. Perfil; Ferrer Soria, Antonio Perfil; Castillo Giménez, María Victoria Perfil; Cabrera Urbán, Susana Perfil; García García, Carmen Perfil; Higón Rodríguez, Emilio Perfil; Martí García, Salvador; Ros Martínez, Eduardo; González de la Hoz, Santiago Perfil; Salt Cairols, José Perfil; Valls Ferrer, Juan Antonio; Kaci, Mohammed; Fiorini, Luca; Hernández Jiménez, Yesenia; Lacasta Llácer, Carlos; Villaplana Pérez, Miguel
Aquest document és un/a article, creat/da en: 2012

Este documento está disponible también en : http://dx.doi.org/10.1016/j.physletb.2012.02.051
A search for squarks and gluinos in events containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2011 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 is observed in 1.04 fb(-1) of data. Gluino and squark masses below 700 GeV and 875 GeV respectively 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 limit increases to 1075 GeV for squarks and gluinos of equal mass. In MSUGRA/CMSSM models with tan beta = 10, A(0) = 0 and μ> 0, squarks and gluinos of equal mass are excluded for masses below 950 GeV. These limits extend the region of supersymmetric parameter space excluded by previous measurements.

    ATLAS Collaboration Mitsou, Vasiliki Fuster Verdú, Juan A. Ferrer Soria, Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana García García, Carmen Higón Rodríguez, Emilio Martí García, Salvador Ros Martínez, Eduardo González de la Hoz, Santiago Salt Cairols, José Valls Ferrer, Juan Antonio Kaci, Mohammed Fiorini, Luca Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Villaplana Pérez, Miguel 2012 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 Physics Letters B 710 1 67 85
http://dx.doi.org/10.1016/j.physletb.2012.02.051
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