Beyond S, T and U

Abstract

The contribution to precision electroweak measurements due to TeV physics which couples primarily to the $W^{\pm }$ and $Z$ bosons may be parameterized in terms of the three `oblique correction' parameters, S, T and U. We extend this parameterization to physics at much lower energies, $\ge 100$ GeV, and show that in this more general case three more parameters are required (which we call V, W and X). Only two of these appear in neutral-current experiments, while the third new parameter enters into the $W^{\pm }$ width.

First repost: We have corrected typos, added a reference, and included a figure missing in the original version. All figures are now included as uuencoded tar files. Second repost: we replaced the abstract on the arXiv, which got mistakenly removed during the first repost

References in corpus (1)

• One Loop Effects of Non-Standard Triple Gauge Boson Vertices

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