We point out that the so-called 'radiative return' events e+e- → Z are suited to the study of nonstandard physics, particularly if the vector bosons are emitted into the central detector region. An effective vertex is constructed which contains the most general gauge invariant e+e-Z interaction and its phenomenolgocial consequences are examined. Low Energy Constraints on the effective vertex are discussed as well.
Comments: 12 pages.
[v1] 31 Mar 2011
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