Supersymmetric Models with a Gauge Singlet and Non-Universal Soft Terms from Orbifold String Theory

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dc.creatorBrax, Ph.
dc.creatorEllwanger, U.
dc.creatorSavoy, C. A.
dc.date1994-11-25
dc.date.accessioned2026-07-07T11:35:08Z
dc.date.available2026-07-07T11:35:08Z
dc.descriptionThe particle spectrum of the supersymmetric extension of the standard model with a gauge singlet is studied. Soft supersymmetry breaking terms are explicitly chosen to be non-universal according to orbifold string theory. they depend on modular weights of chiral fields and on an angle $θ$ specifying the supersymmetry breaking sector. Imposing radiative weak symmetry breaking and requiring that standard model Yukawa couplings should be allowed yield constraints on modular weights and almost specifies the angle $θ$. We then perform a numerical anlysis of the low energy spectrum. It turns out that the spectrum is very constrained, revealing salient features such as light Higgses and neutralinos. The latter turns out to be essentially gaugino-like.
dc.description13 pages, uuencoded ps-file
dc.identifierhttps://arxiv.org/abs/hep-ph/9411397
dc.identifierhttp://arxiv.org/abs/hep-ph/9411397
dc.identifierPhys.Lett.B347:269-278,1995
dc.identifierdoi:10.1016/0370-2693(95)00089-4
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198490
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titleSupersymmetric Models with a Gauge Singlet and Non-Universal Soft Terms from Orbifold String Theory
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