Invisible axion in the hidden sector of no-scale supergravity

Details Invisible axion in the hidden sector of no-scale supergravity Invisible axion in the hidden sector of no-scale supergravity

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phlb..184..343s&link_type=abstract

Physics Letters B, Volume 184, Issue 4, p. 343-347.

Physics

Scientific paper

We propose a new axion model which incorporates the U(1)PQ symmetry into a hidden sector, as well as an observable sector, of no-scale supergravity models. The axion is a spin-zero field in the hidden sector. The U(1)PQ symmetry is naturally embedded in the family symmetry of the no-scale models. Invisible axions live in the gravity hidden sector without conflict with the cosmological and astrophysical constraints.

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