Reevaluation of the role of nuclear uncertainties in experiments on atomic parity violation with isotopic chains

Abstract

In light of new data on neutron distributions from experiments with antiprotonic atoms [ Trzcinska {\it et al.}, Phys. Rev. Lett. 87, 082501 (2001)], we reexamine the role of nuclear-structure uncertainties in the interpretation of measurements of parity violation in atoms using chains of isotopes of the same element. With these new nuclear data, we find an improvement in the sensitivity of isotopic chain measurements to ``new physics'' beyond the standard model. We compare possible constraints on ``new physics'' with the most accurate to date single-isotope probe of parity violation in the Cs atom. We conclude that presently isotopic chain experiments employing atoms with nuclear charges Z < 50 may result in more accurate tests of the weak interaction.

6 pages, 1 fig., submitted to Phys. Rev. A

References in corpus (3)

• High accuracy calculation of 6s -> 7s parity nonconserving amplitude in Cs
• Correlated many-body treatment of Breit interaction with application to cesium atomic properties and parity violation
• Parity non-conservation in thallium

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