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Compact Supersymmetry · Around

2012

Compact Supersymmetry

Murayama, Hitoshi, Nomura, Yasunori, Shirai, Satoshi et al.

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Supersymmetry broken geometrically in extra dimensions naturally leads to a nearly degenerate spectrum for superparticles, ameliorating the bounds from the current searches at the LHC.

We present a minimal such model with a single extra dimension, and show that it leads to viable phenomenology despite the fact that it essentially has two less free parameters than the conventional CMSSM.
The theory does not suffer from the supersymmetric flavor or CP problem because of universality of geometric breaking, and automatically yields near-maximal mixing in the scalar top sector with |A_t| ~ 2 m_{\tilde{t}} to boost the Higgs boson mass.
Despite the rather constrained structure, the theory is less fine-tuned than many supersymmetric models.

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