Charginos and Neutralinos at LEPII

Abstract

We show that LEPII will either discover charginos and neutralinos, or enable a very stringent upper limit to be placed on $\tan \beta$ as a function of the gluino mass. The only assumption we make is the existence of some unified model which breaks down to the minimal supersymmetric standard model below the unification scale. In such a framework we discuss how the discovery of a chargino at LEPII and the measurement of its mass and production cross-section, together with the measurement of the mass of the lightest neutralino, would enable the gluino mass, $\tan \beta$ and $\mu$ to be predicted, up to a possible ambiguity in the sign of $\mu$ which we discuss.

12 pages, LATEX, 7 figures uufiled

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• Trileptons from Chargino-Neutralino Production at the CERN Large Hadron Collider
• Aspects of Chargino-Neutralino Production at the Tevatron Collider
• Radiative Decay of Vector Quarkonium: Constraints on Glueballs and Light Gluinos
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Cited by in corpus (10)

• CP Phases in Correlated Production and Decay of Neutralinos in the Minimal Supersymmetric Standard Model
• Dark matter constraints in the minimal and nonminimal SUSY standard model
• Dark matter constraints on the parameter space and particle spectra in the nonminimal SUSY standard model
• Supersymmetry: From the Fermi Scale to the Planck Scale
• Measuring SUSY Parameters at LEP II Using Chargino Production and Decay
• Radiative Corrections to Chargino Production in Electron-Positron Collisions
• Chargino Pair Production at LEP2 with Broken R-Parity: 4-jet Final States
• Report of the 1997 LEP2 Phenomenology Working Group on `Searches' (Oxford)
• Radiative Corrections to Chargino Production in Electron-Positron Collisions with Polarised Beams
• Chargino Production at LEP2 in a Supergravity Model