Like-sign dilepton signature for gluino production at the CERN LHC including top quark and Higgs boson effects

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Abstract
A systematic analysis of the like-sign dilepton signature for gluino production at the CERN LHC is performed in the R-conserving minimal supersymmetric standard model, taking into account the top quark and Higgs boson effects in the cascade decay. We consider two representative values of the gluino mass, 300 and 800 GeV, along with those of the other SUSY parameters. While the top quark contribution is kinematically suppressed for the former case, it is very important for the latter. Ways of separating the signal from the background are discussed. One expects a viable like-sign dilepton signal up to a gluino mass of ∼800 (1200) GeV at the low (high) luminosity option of the LHC over practically the full parameter space of the MSSM.
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