Gaugino condensation and the cosmological implications of the hidden sector

Details Gaugino condensation and the cosmological implications of the hidden sector Gaugino condensation and the cosmological implications of the hidden sector

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phlb..263...79k&link_type=abstract

Physics Letters B, Volume 263, Issue 1, p. 79-85.

Physics

43

Scientific paper

We investigate the cosmological implications of models in which the breakdown of supersymmetry proceeds via gaugino condensation in a hidden sector, only gravitationally coupled to the observable sector. Semistable particles in the hidden sector are forbidden in the range between 100 eV and a few times 1010 GeV. These constraints derived from the restrictions on energy density and nucleosynthesis are shown to have consequences for model building. As a byproduct of these investigations we point out a particularly attractive solution of the μ-problem and the strong CP-problem with a composite hidden sector axion.

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