Abstract
We discuss the angular asymmetries of 3-jet events ine + e − annihilation, originating from hard gluon bremsstrahlung off quarks. Lepton beam polarization helps to disentangle the various helicity components of the bremsstrahlung cross section. They are sensitive to the spin of the radiated quantum but are otherwise parameter-free.
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Koller, K., Sander, H.G., Walsh, T.F. et al. Angular asymmetries ofe + e − annihilation to three jets. Z. Phys. C - Particles and Fields 6, 131–138 (1980). https://doi.org/10.1007/BF01588839
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DOI: https://doi.org/10.1007/BF01588839