Approximate R-symmetries and the mu term

Details Approximate R-symmetries and the mu term Approximate R-symmetries and the mu term

2010-02-27

arxiv.org/abs/1003.0084v1

JHEP 1004:006,2010

Physics

High Energy Physics

High Energy Physics - Theory

26 pages

Scientific paper

10.1007/JHEP04(2010)006

We discuss the role of approximate U(1)_R symmetries for the understanding of
hierarchies in Nature. Such symmetries may explain a suppressed expectation
value of the superpotential and provide us with a solution to the MSSM mu
problem. We present various examples in field theory and string-derived models.

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