Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-08-26
Phys.Lett.B318:155-162,1993
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages. Uses RevTEX. Four figures available upon request from szalapski@pheno.physics.wisc.edu or szalapski@wiscphen.bitnet
Scientific paper
10.1016/0370-2693(93)91799-S
A non-standard symmetry breaking sector may lead to derivative couplings of the Higgs boson and thereby to anomalous interactions with the electroweak gauge bosons. In the framework of gauge-invariant effective Lagrangians the resulting changes in Higgs boson production and decay mechanisms are related to anomalous triple vector boson couplings. Using low energy constraints on the dimension-six operators in the effective Lagrangian, we discuss the size of deviations from SM predictions which may be expected in Higgs boson production and decay rates. Large enhancements are allowed {\it e.g.} in the $Z \to H \gamma$ and $H\to \gamma \gamma$ partial decay widths, leading to $Z\to \gamma\gamma\gamma$ events at LEP.
Hagiwara Kaoru
Szalapski Rob
Zeppenfeld Dieter
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