Guaranteed discovery of the NmSuGra model
Csaba Bal\'azs, Daniel Carter

TL;DR
This paper assesses the discovery prospects of the NmSuGra model, an extension of mSuGra with a singlet, showing it can be detected by LHC and dark matter searches if muon g-2 discrepancy persists.
Contribution
It demonstrates that the NmSuGra model's preferred parameter space is accessible to upcoming collider and dark matter experiments, extending previous analyses of supergravity models.
Findings
NmSuGra reduces fine tuning compared to mSuGra.
Preferred parameter regions are detectable by LHC and dark matter searches.
Detection depends on the muon g-2 discrepancy remaining significant.
Abstract
We analyze the discovery potential of the next-to-minimal supergravity motivated model: NmSuGra. This model is an extension of mSuGra by a gauge singlet, and contains only one additional parameter: lambda, the Higgs-singlet-Higgs coupling. NmSuGra solves the mu-problem and reduces the fine tuning of mSuGra. After identifying parameter space regions preferred by present experimental data, we show that these regions of NmSuGra are amenable to detection by the combination of the Large Hadron Collider and an upgraded Cryogenic Dark Matter Search. This conclusion holds strictly provided that the more than three sigma discrepancy in the difference of the experimental and the standard theoretical values of the anomalous magnetic moment of the muon prevails in the future.
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