Phenomenological Implications of Low Energy Supersymmetry Breaking

Details Phenomenological Implications of Low Energy Supersymmetry Breaking Phenomenological Implications of Low Energy Supersymmetry Breaking

1996-07-27

arxiv.org/abs/hep-ph/9607450v1

Nucl.Phys.Proc.Suppl. 52A (1997) 38-42

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, Latex, requires espcrc2.sty, to appear in the proceedings of SUSY96

Scientific paper

10.1016/S0920-5632(96)00530-0

The experimental signatures for low energy supersymmetry breaking are presented. The lightest standard model superpartner is unstable and decays to its partner plus a Goldstino, $G$. For a supersymmetry breaking scale below a few 1000 TeV this decay can take place within a detector, leading to very distinctive signatures. If a neutralino is the lightest standard model superpartner it decays by $\chi_1^0 \to \gamma + G$, and if kinematically accessible by $\chi_1^0 \to (Z^0, h^0, H^0, A^0) + G$. These decays can give rise to displaced vertices. Alternately, if a slepton is the lightest standard model superpartner it decays by $\tilde{l} \to l + G$. This can be seen as a greater than minimum ionizing charged particle track, possibly with a kink to a minimum ionizing track.

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