Gluino Production in Electron-Positron Annihilation

Details Gluino Production in Electron-Positron Annihilation Gluino Production in Electron-Positron Annihilation

1994-07-14

arxiv.org/abs/hep-ph/9407290v1

Z.Phys. C66 (1995) 503-512

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages LATEX plus 10 pages of figures (not included, available on request). Full postscript version available by anonymous f

Scientific paper

10.1007/BF01556378

We discuss the pair production of gluinos in electron-positron annihilation at LEP, in a model with soft supersymmetry breaking, allowing for mixing between the squarks. In much of the parameter space of the Minimal Supersymmetric Model (MSSM) the cross section corresponds to a $Z$ branching ratio above $10^{-5}$, even up to $10^{-4}$. A non-observation of gluinos at this level restricts the allowed MSSM parameter space. In particular, it leads to lower bounds on the soft mass parameters in the squark sector.

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