Towards the electron EDM search: Theoretical study of HfF+
Abstract
We report first ab initio relativistic correlation calculations of potential curves for ten low-lying electronic states, effective electric field on the electron and hyperfine constants for the 31 state of cation of a heavy transition metal fluoride, HfF+, that is suggested to be used as the working state in experiments to search for the electric dipole moment of the electron. It is shown that HfF+ has deeply bound 1+ ground state, its dissociation energy is De=6.4 eV. The 31 state is obtained to be the relatively long-lived first excited state lying about 0.2 eV higher. The calculated effective electric field Eeff=Wd|| acting on an electron in this state is 5.84*1024Hz/(e*cm)
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