Prospects for an electron electric-dipole moment search in metastable ThO and ThF+
نویسندگان
چکیده
The observation of an electron electric-dipole moment EEDM would have major ramifications for the standard model of physics. Polar molecules offer a near-ideal laboratory for such searches due to the large effective electric field Feff , on order of tens of GV/cm that can be easily oriented in the laboratory frame. We present an improved method for simply and accurately determining Feff, in a heavy polar molecule, allowing for a quick determination of candidates for an EEDM experiment. We apply this method to ThO and ThF+, both of which possess metastable 3 electronic states. The values of Feff in ThO and ThF+ are estimated to be 104 GV /cm and 90 GV /cm, respectively, making them two of the best known candidates for the EEDM search.
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