Implications of Low Energy Supersymmetry Breaking at the Tevatron

Details Implications of Low Energy Supersymmetry Breaking at the Tevatron Implications of Low Energy Supersymmetry Breaking at the Tevatron

1996-04-30

arxiv.org/abs/hep-ph/9604452v3

Phys.Rev. D54 (1996) 3283-3288

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, Latex, tables corrected

Scientific paper

10.1103/PhysRevD.54.3283

The signatures for low energy supersymmetry breaking at the Tevatron are investigated. It is natural that the lightest standard model superpartner is an electroweak neutralino, which decays to an essentially massless Goldstino and photon, possibly within the detector. In the simplest models of gauge-mediated supersymmetry breaking, the production of right-handed sleptons, neutralinos, and charginos leads to a pair of hard photons accompanied by leptons and/or jets with missing transverse energy. The relatively hard leptons and softer photons of the single $e^+e^- \gamma \gamma + \EmissT$ event observed by CDF implies this event is best interpreted as arising from left-handed slepton pair production. In this case the rates for $l^{\pm} \gamma \gamma + \EmissT$ and $ \gamma \gamma + \EmissT$ are comparable to that for $l^+l^- \gamma \gamma + \EmissT$.

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