The fine-tuning of the generalised NMSSM

Details The fine-tuning of the generalised NMSSM The fine-tuning of the generalised NMSSM

2011-08-05

arxiv.org/abs/1108.1284v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 3 figures

Scientific paper

We determine the degree of fine-tuning needed in a generalised version of the
NMSSM that follows from an underlying Z4 or Z8 R-symmetry. We find that it is
significantly less than is found in the MSSM or NMSSM and extends the range of
Higgs mass that have acceptable fine-tuning. Remarkably the minimal fine-tuning
is achieved for Higgs masses of around 130 GeV.

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