A search for excited electron ( e ∗ ) production is described in which the electroweak decays e ∗ →eγ , e ∗ →eZ and e ∗ →νW are considered. The data used correspond to an integrated luminosity of 120 pb −1 taken in e ± p collisions from 1994 to 2000 with the H1 detector at HERA at centre-of-mass energies of 300 and 318 GeV. No evidence for a signal is found. Mass dependent exclusion limits are derived for the ratio of the couplings to the compositeness scale, f / Λ . These limits extend the excluded region to higher masses than has been possible in previous direct searches for excited electrons.
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Adloff et al. (2002) studied this question.
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