SUSY in the light of the new "MUON G-2" Result

TL;DR

This paper reviews how the Minimal Supersymmetric Standard Model can explain the muon g-2 anomaly confirmed by recent Fermilab results, while remaining consistent with collider and dark matter constraints.

Contribution

It identifies the MSSM parameter space compatible with the muon g-2 anomaly and other experimental data, providing specific mass limits for supersymmetric particles.

Findings

MSSM can accommodate the muon g-2 anomaly within current constraints.

Upper limit of ~600 GeV for LSP and NLSP masses.

Provides targets for future collider searches.

Abstract

The recently published result from the Fermilab "MUON G-2" experiment has confirmed the persistent 3-4 $\sigma$ discrepancy between the experimental result from BNL for the anomalous magnetic moment of the muon, $(g-2)_\mu$ , and its Standard Model (SM) prediction. The combination of the two measurements yields a deviation of 4.2 $\sigma$ from the SM value. Here, we review the parameter space of the electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM), that can accommodate the anomaly while being in full agreement with other experimental data, particularly the direct searches for EW particles at the LHC and dark matter (DM) relic density and direct detection constraints. We find that the combined constraints set an upper limit of ~ 600 GeV for the LSP and NLSP masses establishing clear targets for the future collider searches.