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Systematic and statistical uncertainty evaluation of the HfF^+ electron electric dipole moment experiment

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arxiv 2212.11837 v2 pith:BU7Q4WF5 submitted 2022-12-22 physics.atom-ph

Systematic and statistical uncertainty evaluation of the HfF^+ electron electric dipole moment experiment

classification physics.atom-ph
keywords measurementsystematicaccuracydipoleelectricelectronevaluationfactor
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have completed a new precision measurement of the electron's electric dipole moment using trapped HfF$^+$ in rotating bias fields. We report on the accuracy evaluation of this measurement, describing the mechanisms behind our systematic shifts. Our systematic uncertainty is reduced by a factor of 30 compared to the first generation of this measurement. Our combined statistical and systematic accuracy is improved by a factor of 2 relative to any previous measurement.

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