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arXiv · hep-ex/0007035

A Search for Excited Fermions at HERA

H1 Collaboration·C. Adloff
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Abstract

A search for excited fermions f^* of the first generation in e^+p scattering at the collider HERA is presented using H1 data with an integrated luminosity of 37 pb^(-1). All electroweak decays of excited fermions, f^* -> f gamma, f W, f Z are considered and all possible final states resulting from the Z or W hadronic decays or decays into leptons of the first two generations are taken into account. No evidence for f^* production is found. Mass dependent exclusion limits on cross-sections and on the ratio of coupling constants to the compositeness scale are derived.

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H1 Collaboration, C. Adloff. 2000-07-19. A Search for Excited Fermions at HERA. https://doi.org/10.1007/s100520000503

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