Anomalous U(1)A and Electroweak Symmetry Breaking
Ilia Gogoladze, Mirian Tsulaia
Abstract
We suggest a new mechanism for electroweak symmetry breaking in the supersymmetric Standard Model. Our suggestion is based on the presence of an anomalous U(1)A gauge symmetry, which naturally arises in the four dimensional superstring theory, and heavily relies on the value of the corresponding Fayet-Illiopoulos ξ-term.
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