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Search for Heavy Long-Lived Charged Particles with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

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Search for Heavy Long-Lived Charged Particles with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

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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

Aquest document és un/a article, creat/da en: 2011

Este documento está disponible también en : 10.1016/j.physletb.2011.08.042

A search for long-lived charged particles reaching the muon spectrometer is performed using a data sample of 37 pb(-1) from pp collisions at sqrt(s) = 7 TeV collected by the ATLAS detector at the LHC in 2010. No excess is observed above the estimated background. Stable (tau) over bar sleptons are excluded at 95% CL up to a mass of 136 GeV, in GMSB models with N(5) = 3 , m(messenger) = 250 TeV, sign(mu) = 1 and tan beta = 5. Electroweak production of sleptons is excluded up to a mass of 110 GeV. Gluino R-hadrons in a generic interaction model are excluded up to masses of 530 GeV to 544 GeV depending on the fraction of R-hadrons produced as (g) over bar -balls.

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