Four-jet Signal at LEP2 and Supersymmetry

Details Four-jet Signal at LEP2 and Supersymmetry Four-jet Signal at LEP2 and Supersymmetry

1996-12-12

arxiv.org/abs/hep-ph/9612334v2

Phys.Lett.B395:225-233,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, LateX, 5 figures. A few typos were corrected. A reference was added

Scientific paper

10.1016/S0370-2693(97)00063-4

ALEPH has reported a significant excess of four-jet events in the LEP runs above the Z^0 resonance, which however has not been confirmed by the other LEP collaborations. We assume here that this excess corresponds to a physics signal and try to interpret it in the context of supersymmetric models with R-parity violation. Associated production of a left and right selectron can explain all the distinctive features of the ALEPH data: the value of the cross section, the di-jet mass difference, the absence of bottom quarks in the final state, and the di-jet charge content. Our proposed scenario makes definite predictions which can be tested at future LEP runs at higher energies.

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