Dynamical Determination of the Fundamental Couplings

Details Dynamical Determination of the Fundamental Couplings Dynamical Determination of the Fundamental Couplings

1995-10-24

arxiv.org/abs/hep-ph/9510392v1

Phys.Rev.Lett. 76 (1996) 1998-2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 page plain TeX file with 3 figures in a tarred, compressed, uuencoded ps file

Scientific paper

10.1103/PhysRevLett.76.1998

We demonstrate that supergravity models containing the Standard Model, dilaton and modulus naturally lead to dynamical symmetry breaking with excellent phenomenology. We assume primordial supersymmetry breaking in the form of a constant contribution to the superpotential. String inspired relations link fundamental couplings to the dilaton vev. We specialize to a class of models inspired by the $4$-$D$ fermionic string. Non-renormalizable terms in the superpotential naturally produce the Higgs mixing parameter $\mu$ suitable for our mechanism. We discuss extensions and limitations of our approach.

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