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Supersymmetry

The diversity of the existing SUSY models hampers phenomenological analysis. Presently, more or less comprehensive study has been performed only for the minimal SUSY extension of SM (MSSM). However even MSSM predicts an existence of 31 new particles. The Higgs sector consists of four states (h⁰, H⁰ A, H^+/-), and there are 28 superpartners of the SM particles. The essential and nontrivial result of CMS physics group is that Higgs sector of the MSSM can be discovered in the most of model parameter space combining different observation channels. CMS will also discover the strongly interacting MSSM sparticles (squarks and gluinos) with masses up to 2-2.5 TeV. This can be achieved by a combined observation of two general signatures: jets + E_T^miss and jets + E_T^miss + leptons. The weakly interacting MSSM sparticles can be observed in the pure leptons+ E_T^miss signature, and in the cascade decays of the squarks and gluinos. CMS will be able to discover the chargino and neutralino up to the mass of ~350 GeV, and the sleptons, up to the mass of ~400 GeV.