$H^{+}{W}^{-}Z$ contribution to the static quantities of the W boson in the context of Higgs-triplet theories

Abstract

We calculate the one--loop contribution from the $H^{+}{W}^{-}Z$ coupling to the static electromagnetic properties of the W boson. Although this coupling is absent at the tree--level in all Higgs--doublet models, it can be induced at this order in models including Higgs--triplet representations. It is found that the $H^{+}{W}^{-}Z$ contribution can be as important as those arising from other couplings including Higgs bosons, such as the standard model coupling WWH or the two--Higgs--doublet model couplings $H^{+}{W}^{-}{\varphi }^0$ and $WW{\varphi }^0$, with ${\varphi }^0=h$, $H$ and $A$.

6 pages, 4 figures, REVTEX style, submitted to Physical Review D

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• Triple gauge couplings in polarised e-e+ -> W-W+ and their measurement using optimal observables
• Triplet Higgs boson at hadron colliders

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