Running into New Territory in SUSY Parameter Space

Details Running into New Territory in SUSY Parameter Space Running into New Territory in SUSY Parameter Space

2004-04-28

arxiv.org/abs/hep-ph/0404251v2

JHEP 0406:032,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 5 figures; Typo in equation (4.5) corrected; submitted to JHEP

Scientific paper

10.1088/1126-6708/2004/06/032

The LEP-II bound on the light Higgs mass rules out the vast majority of parameter space left to the Minimal Supersymmetric Standard Model (MSSM) with weak-scale soft-masses. This suggests the importance of exploring extensions of the MSSM with non-minimal Higgs physics. In this article, we explore a theory with an additional singlet superfield and an extended gauge sector. The theory has a number of novel features compared to both the MSSM and Next-to-MSSM, including easily realizing a light CP-even Higgs mass consistent with LEP-II limits, tan(beta) < 1, and a lightest Higgs which is charged. These features are achieved while remaining consistent with perturbative unification and without large stop-masses. Discovery modes at the Tevatron and LHC are discussed.

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