Energy levels and lifetimes of Gd IV and enhancement of the electron dipole moment

Details Energy levels and lifetimes of Gd IV and enhancement of the electron dipole moment Energy levels and lifetimes of Gd IV and enhancement of the electron dipole moment

2002-06-17

arxiv.org/abs/physics/0206047v1

Phys. Rev. A 66, 032105, 1-6 (2002)

Physics

Atomic Physics

Submitted to Phys. Rev. A 6 pages, 0 figures, 3 tables

Scientific paper

10.1103/PhysRevA.66.032105

We have calculated energy levels and lifetimes of 4f7 and 4f6 5d configurations of Gd IV using Hartree-Fock and configuration interaction methods. This allows us to reduce significantly the uncertainty of the theoretical determination of the electron electric dipole moment (EDM) enhancement factor in this ion and, correspondingly, in gadolinium-containing garnets for which such measurements were recently proposed. Our new value for the EDM enhancement factor of Gd+3 is -2.2 +- 0.5. Calculations of energy levels and lifetimes for Eu~III are used to control the accuracy.

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