Electric dipole moments of actinide atoms and RaO molecule

Details Electric dipole moments of actinide atoms and RaO molecule Electric dipole moments of actinide atoms and RaO molecule

2007-11-13

arxiv.org/abs/0711.1907v2

Physics

Atomic Physics

Scientific paper

10.1103/PhysRevA.77.024501

We have calculated the atomic electric dipole moments (EDMs) induced in 229Pa and 225Ac by their respective nuclear Schiff moments S. The results are d(229Pa)= - 9.5 10^{-17} [S/(e fm)] e cm= - 1.1 10^{-20} \eta e cm; d(225Ac})=- 8.6 10^{-17} [S/(e fm)] e cm=- 0.8 10^{-21} \eta e cm. EDM of 229 Pa is 3 10^4 times larger than 199Hg EDM and 40 times larger than 225Ra EDM. Possible use of actinides in solid state experiments is also discussed. The T,P-odd spin-axis interaction in RaO molecule is 500 times larger than in TlF.

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