Nuclear beta-decay, Atomic Parity Violation, and New Physics

Details Nuclear beta-decay, Atomic Parity Violation, and New Physics Nuclear beta-decay, Atomic Parity Violation, and New Physics

2000-04-07

arxiv.org/abs/hep-ph/0004062v1

Phys.Rev.D62:056009,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 1 fig

Scientific paper

10.1103/PhysRevD.62.056009

Determinations of vuds with super-allowed Fermi beta-decay in nuclei and of the weak charge of the cesium in atomic parity-violation deviate from the Standard Model predicitions by 2 sigma or more. In both cases, the Standard Model over-predicts the magnitudes of the relevant observables. I discuss the implications of these results for R-parity violating (RPV) extensions of the minimal supersymmetric Standard Model. I also explore the possible consequences for RPV supersymmetry of prospective future low-energy electroweak measurements.

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