Signals for gauge-mediated supersymmetry breaking models at the CERN LEP2 collider

Details Signals for gauge-mediated supersymmetry breaking models at the CERN LEP2 collider Signals for gauge-mediated supersymmetry breaking models at the CERN LEP2 collider

1997-03-02

arxiv.org/abs/hep-ph/9703211v2

Phys.Rev.D56:1761-1777,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

36 pages, LaTeX, 10 figures embedded using epsf.sty (published version; minor changes in wording)

Scientific paper

10.1103/PhysRevD.56.1761

We consider a general class of models with gauge-mediated supersymmetry breaking in which the gravitino is the lightest supersymmetric particle. Several qualitatively different scenarios arise for the phenomenology of such models, depending on which superpartner(s) decay dominantly to the gravitino. At LEP2, neutralino pair production and slepton pair production can lead to a variety of promising discovery signals, which we systematically study. We investigate the impact of backgrounds for these signals and show how they can be reduced, and outline the effects of model parameter variations on the discovery potential.

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