Nonstandard Quartic Self Interactions of Electroweak Vector Bosons within a Gauge Invariant Higher-Derivative Term
Carsten Grosse-Knetter
Abstract
A locally SU(2)xU(1)-invariant term of dimension six with effective interactions of the electroweak gauge and Higgs fields is examined. This term also contains higher derivatives of the fields. It yields nonstandard quartic gauge-boson self-interactions but neither nonstandard cubic self-interactions nor tree-level effects on presently measurable quantities.
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