The Higgs Mechanism from an extra dimension
Abstract
The standard SU(2) × U(1) fields are considered in 4D plus one extra compact dimension. As a result two basic effects are obtained. First, four Goldstone-like scalars are produced, three of them are used to create longitudinal modes of the W,Z fields, while the fourth becomes the Higgs-like scalar. Second, W and Z get their masses from the extra compact dimension with the standard pattern of symmetry violation. The resulting theory has the same fields as in the standard model, but without the Higgs vacuum average. The properties of the new Higgs scalar and its interaction with fermions are briefly discussed.
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