Phenomenological Implications of Supersymmetry Breaking by the Dilaton

Details Phenomenological Implications of Supersymmetry Breaking by the Dilaton Phenomenological Implications of Supersymmetry Breaking by the Dilaton

1993-05-13

arxiv.org/abs/hep-ph/9305262v2

Phys.Lett.B312:451-460,1993; ERRATUM-ibid.B316:632,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, (4 figures not included, available upon request), CERN-TH.6856/93 (In the previous version of this article the gaugi

Scientific paper

10.1016/0370-2693(93)90981-M

We investigate the low energy properties of string vacua with spontaneously broken $N=1$ supersymmetry by a dilaton $F$-term. As a consequence of the universal couplings of the dilaton, the supersymmetric mass spectrum is determined in terms of only three independent parameters and more constrained than in the minimal supersymmetric Standard Model. For a $\mu$-term induced by the \K\ potential the parameter space becomes two-dimensional; in the allowed regions of this parameter space we find that most supersymmetric particles are determined solely by the gluino mass. The Higgs is rather light and the top-quark mass always lower than 180 GeV.

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