Magnetic and Electric Dipole Moments of the \(H\ ^3\Delta_1\) State in ThO

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Magnetic and Electric Dipole Moments of the \(H\ ^3\Delta_1\) State in ThO

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Title: Magnetic and Electric Dipole Moments of the \(H\ ^3\Delta_1\) State in ThO
Author: DeMille, David; Spaun, Benjamin Norman; Gurevich, Yulia Vsevolodovna; Hutzler, Nicholas Richard; Kirilov, Emil; Doyle, John M.; Gabrielse, Gerald; Vutha, Amar

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Citation: Vutha, Amar, Benjamin Spaun, Yulia Gurevich, Nicholas Hutzler, Emil Kirilov, John Doyle, Gerald Gabrielse, and David DeMille. 2011. Magnetic and electric dipole moments of the \(H\ ^3\Delta_1\) state in ThO. Physical Review A 84:034502.
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Abstract: The metastable \(H\ ^3\Delta_1\) state in the thorium monoxide (ThO) molecule is highly sensitive to the presence of a CP-violating permanent electric dipole moment of the electron (eEDM). The magnetic dipole moment \(\mu_H\) and the molecule-fixed electric dipole moment \(D_H\) of this state are measured in preparation for a search for the eEDM. The small magnetic moment \(\mu_H = 8.5(5) \times 10^{-3}\ \mu_B\) displays the predicted cancellation of spin and orbital contributions in a \(^3\Delta_1\) paramagnetic molecular state, providing a significant advantage for the suppression of magnetic field noise and related systematic effects in the eEDM search. In addition, the induced electric dipole moment is shown to be fully saturated in very modest electric fields (\(<\) 10 V/cm). This feature is favorable for the suppression of many other potential systematic errors in the ThO eEDM search experiment.
Published Version: doi:10.1103/PhysRevA.84.034502
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10184313
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