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Updated: Jul 11, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Testing the standard model by precision measurement of the weak charges of quarks
R D Young1, R D Carlini, A W Thomas
1Jefferson Lab, 12000 Jefferson Ave., Newport News, Virginia 23606, USA.
Abstract:
In a global analysis of the latest parity-violating electron scattering measurements on nuclear targets, we demonstrate a significant improvement in the experimental knowledge of the weak neutral-current lepton-quark interactions at low energy. The precision of this new result, combined with earlier atomic parity-violation measurements, places tight constraints on the size of possible contributions from physics beyond the standard model. Consequently, this result improves the lower-bound on the scale of relevant new physics to approximately 1 TeV.
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