Low-Energy Effective Lagrangian from Non-Minimal Supergravity with Unified Gauge Symmetry

Details Low-Energy Effective Lagrangian from Non-Minimal Supergravity with Unified Gauge Symmetry Low-Energy Effective Lagrangian from Non-Minimal Supergravity with Unified Gauge Symmetry

1995-08-14

arxiv.org/abs/hep-ph/9508290v1

Phys.Rev. D53 (1996) 3779-3792

Physics

High Energy Physics

High Energy Physics - Phenomenology

37 pages, Figures not included

Scientific paper

10.1103/PhysRevD.53.3779

From general supergravity theory with unified gauge symmetry, we obtain the low-energy effective Lagrangian by taking the flat limit and integrating out the superheavy fields in model-independent manner. The scalar potential possesses some excellent features. Some light fields classified by using supersymmetric fermion mass, in general, would get intermediate masses at the tree level after the supersymmetry is broken. We show that the stability of weak scale can be guaranteed under some conditions. There exist extra non-universal contributions to soft supersymmetry breaking terms which can give an impact on phenomenological study.

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