Supersymmetric Scalar Masses, Z', and E(6)

Details Supersymmetric Scalar Masses, Z', and E(6) Supersymmetric Scalar Masses, Z', and E(6)

1996-12-26

arxiv.org/abs/hep-ph/9612470v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, to appear in Proc. of the First American Symposium on High Energy Physics, Merida, Mexico (Nov 1996)

Scientific paper

10.1063/1.53256

Assuming the existence of a supersymmetric U(1) gauge factor at the TeV energy scale (motivated either by the superstring-inspired E_6 model or low-energy electroweak phenomenology), several important consequences are presented. The two-doublet Higgs structure at the 100 GeV energy scale is shown to be different from that of the Minimal Supersymmetric Standard Model (MSSM). A new neutral gauge boson Z' corresponding to the extra U(1) mixes with the Z. The supersymmetric scalar quarks and leptons receive new contributions to their masses from the spontaneous breaking of this extra U(1). The assumption of universal soft supersymmetry breaking terms at the grand-unification energy scale implies a connection between the U(1) breaking scale and the ratio of the vacuum expectation values of the two electroweak Higgs doublets.

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