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

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

1996-06-18

arxiv.org/abs/hep-ph/9606364v2

Phys.Lett. B389 (1996) 62-72

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1016/S0370-2693(96)01236-1

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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