Precision gauge unification in the MSSM

Details Precision gauge unification in the MSSM Precision gauge unification in the MSSM

2009-11-23

arxiv.org/abs/0911.4249v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 3 figures, minor modifications, matches published version

Scientific paper

We discuss the issue of precision gauge unification in the MSSM. We find that a comparably light gluino, as it emerges in certain patterns of soft supersymmetry breaking, can be a key ingredient for ensuring precision gauge unification without relying on the presence of extra particles around the scale of grand unification. In particular, the so-called mirage pattern for gaugino masses can naturally lead to precision gauge unification. There is also an interesting correlation with reduced fine-tuning, due to rather light gluinos.

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