Electric dipole moment enhancement factor of thallium

Abstract

The goal of this work is to resolve the present controversy in the value of the EDM enhancement factor of Tl. We have carried out several calculations by different high-precision methods, studied previously omitted corrections, as well as tested our methodology on other parity conserving quantities. We find the EDM enhancement factor of Tl to be equal to -573(20). This value is 20% larger than the recently published result of Nataraj et al. [Phys. Rev. Lett. 106, 200403 (2011)], but agrees very well with several earlier results.

5 pages; v2: link to supplemental material added

References in corpus (3)

• Development of a configuration-interaction + all-order method for atomic calculations
• Relativistic coupled-cluster single-double method applied to alkali-metal atoms
• A Reappraisal of the Electric Dipole Moment Enhancement Factor for Thallium

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