Chargino Pair Production at LEP2 with Broken R-Parity: 4-jet Final States

Abstract

We study the pair production of charginos in e+e- collisions followed by the decay via R-parity violating LQD operators. We determine the complete matrix element squared for chargino decays via LQD or LLE operators. We find regions in MSSM parameter space where the chargino mass is 52.5GeV and the R-parity violating decays of the charginos dominate the gauge decays to neutralinos. At LEP2 this then leads to additional 4 jet events which could explain the excess recently observed by ALEPH.

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Cited by in corpus (10)

• SUSYGEN 2.2 - A Monte Carlo Event Generator for MSSM Sparticle Production at e+ e- Colliders
• High Q2-Anomaly at HERA and Supersymmetry
• Low-Energy Supersymmetry and its Phenomenology
• Systematics of single superpartners production at leptonic colliders
• R-parity violating chargino decays at the LHC
• The ABC of RPV II: Classification of R-parity Violating Signatures from UDD Couplings and their Coverage at the LHC
• Supersymmetric interpretation of high--$Q^2$ HERA events and other related issues
• Three-body Supersymmetric Top Decays
• e+ e- Cross Section and Exclusion of Massless Electroweak Gauginos
• Chargino Production at an e-e- Collider