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Electron EDM searches based on alkali or alkaline earth bearing molecules

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arxiv 0907.4179 v2 pith:7AKSKT6J submitted 2009-07-23 physics.atom-ph

Electron EDM searches based on alkali or alkaline earth bearing molecules

classification physics.atom-ph
keywords moleculeselectronelectricsearchesadvantagealkalialkalineassess
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We introduce four new molecules -- YbRb, YbCs, YbSr$^+$, and YbBa$^+$ -- that may prove fruitful in experimental searches for the electric dipole moment (EDM) of the electron. These molecules can, in principle, be prepared at extremely low temperatures by photoassociating ultracold atoms, and therefore may present an advantage over molecular beam experiments. Here we discuss properties of these molecules and assess the effective electric fields they contribute to an electron EDM measurement.

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