One-Loop Effects in Supergravity Models with an Additional U(1)

Details One-Loop Effects in Supergravity Models with an Additional U(1) One-Loop Effects in Supergravity Models with an Additional U(1)

1998-09-13

arxiv.org/abs/hep-ph/9809357v1

Phys.Rev. D57 (1998) 6609-6617

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 6 postscript figures

Scientific paper

10.1103/PhysRevD.57.6609

For an Abelian extended Supergravity model, we investigate some important low energy parameters: \tan\beta, Z-Z' mixing angle, lightest CP-even Higgs mass bound, Z' mass, and effective \mu parameter. By integrating the RGE's from string scale down to the weak scale we constuct the scalar potential, and analyze the quantities above at the tree- and one-loop levels by including the contributions of top squarks and top quark in the effective potential. PACS: 04.65.+e, 12.60.Jv

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