Dynamical Supersymmetry Breaking in Supergravity Theories

Details Dynamical Supersymmetry Breaking in Supergravity Theories Dynamical Supersymmetry Breaking in Supergravity Theories

1995-03-06

arxiv.org/abs/hep-ph/9503245v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at 18th Johns Hopkins Workshop, Florence, Italy.

Scientific paper

In rigid supersymmetry, generic models of dynamical supersymmetry breaking contain a light Goldstone boson, called the R axion. We show that supergravity effects explicitly break the R symmetry and give mass to the R axion. For visible and renormalizable hidden sector models, the massive R axion is free from astrophysical and cosmological problems. For nonrenormalizable hidden sector models, the R axion suffers from cosmological difficulties similar to those of the moduli fields in string theory.

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