Constraints on Couplings of Extra Gauge Bosons from e+e- --> nu nubar gamma
Stephen Godfrey, Pat Kalyniak, Basim Kamal, Arnd Leike
Abstract
If extra gauge bosons are observed at the LHC or at a linear e+e- collider, the reaction e+e- --> nu nubar gamma can give information on the couplings (W' nu l) and (Z' nu nubar). The total cross section and polarization asymmetries are the most sensitive observables for such a measurement. Small systematic errors are crucial to obtain reasonable coupling constraints, especially for a high luminosity collider.
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