Atomic parity violation in cesium and implications for new physics

Details Atomic parity violation in cesium and implications for new physics Atomic parity violation in cesium and implications for new physics

1997-05-27

arxiv.org/abs/hep-ph/9705435v3

Phys.Lett.B409:277-282,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 4 figures, LaTeX (epsf, aps, revtex), 4 references added, no other changes with respect to the original version, to

Scientific paper

10.1016/S0370-2693(97)00843-5

Recent high-precision measurements of atomic parity-nonconserving transitions between the 6S and 7S states of cesium allow for a determination of the weak nuclear charge with a precision of 1.3%, providing an improved test of the standard model at low energy. Implications for new physics are examined in terms of low energy effects on the weak charge, in particular contact interactions and scalar leptoquark limits. Prospects for further improvements are described.

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