Meta-stable SUSY Breaking Model in Supergravity

Details Meta-stable SUSY Breaking Model in Supergravity Meta-stable SUSY Breaking Model in Supergravity

2008-02-13

arxiv.org/abs/0802.1758v2

JHEP0803:059,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages

Scientific paper

10.1088/1126-6708/2008/03/059

We analyze a supersymmetry (SUSY) breaking model proposed by Intriligator, Seiberg and Shih in a supergravity (SUGRA) framework. This is a simple and natural setup which demands neither extra superpotential interactions nor an additional gauge symmetry. In the SUGRA setup, the U(1)R symmetry is explicitly broken by the constant term in the superpotential, and pseudo-moduli field naturally takes non-zero vacuum expectation value through a vanishing cosmological constant condition. Sfermions tend to be heavier than gauginos, and the strong-coupling scale is determined once a ratio of sfermion to gaugino masses is fixed.

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