Abstract
We discuss the prospects for parity violation experiments in atomic hydrogen and deuterium to contribute to testing the Standard Model (SM). We find that, if parity experiments in hydrogen can be done, they remain highly desirable because there is negligible atomic-physics uncertainty and low energy tests of weak neutral current interactions are needed to probe for new physics beyond the SM. Analysis of a generic APV experiment in deuterium indicates that a 0.3% measurement of C 1D requires development of a slow (77K) metastable beam of ≈ 5×1014D(2S)s − 1 per hyperfine component. The advent of UV radiation from free electron laser (FEL) technology could allow production of such a beam.
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Dunford, R.W., Holt, R.J. Parity nonconservation in hydrogen. Hyperfine Interact 200, 45–49 (2011). https://doi.org/10.1007/s10751-011-0278-8
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DOI: https://doi.org/10.1007/s10751-011-0278-8