Search for Excited Leptons at \sqrt{s} = 189 GeV

Details Search for Excited Leptons at \sqrt{s} = 189 GeV Search for Excited Leptons at \sqrt{s} = 189 GeV

1999-10-11

arxiv.org/abs/hep-ex/9910021v1

Phys.Lett.B473:177-185,2000

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1016/S0370-2693(99)01445-8

A search for excited leptons, e*, mu*, tau*, nu_e*, nu_mu*, and nu_tau* was performed with the L3 detector at LEP using data collected at a centre-of-mass energy of 189 GeV, corresponding to an integrated luminosity of 176 pb^{-1}. No evidence of their production is observed. From the searches for pair produced excited leptons, lower mass limits are set close to the kinematic limit. From the searches for singly produced excited leptons, upper limits on their couplings are derived in the mass range up to 189 GeV.

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