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Published February 18, 2002 | Published
Journal Article Open

Charged current universality in the minimal supersymmetric standard model


We compute the complete one-loop contributions to low-energy charged current weak interaction observables in the minimal supersymmetric standard model (MSSM). We obtain the constraints on the MSSM parameter space which arise when precision low-energy charged current data are analyzed in tandem with measurements of the muon anomaly. While the data allow the presence of at least one light neutralino, they also imply a pattern of mass splittings among first and second generation sleptons and squarks which contradicts predictions of widely used models for supersymmetry-breaking mediation.

Additional Information

© 2002 The American Physical Society. Received 24 September 2001; published 1 February 2002. We thank J. Erler, B. Filippone, S. Heinemeyer, John Ng, and P. Vogel for several useful discussions. This work was supported by the Department of Energy and National Science Foundation.

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