Revisiting 129Xe electric dipole moment measurements applying a new global phase fitting approach
Tianhao Liu; Katharina Rolfs; Isaac Fan; Sophia Haude; Wolfgang Kilian; Liyi Li; Allard Schnabel; Jens Voigt · 2021 · New Journal of Physics
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Abstract
By measuring the spin precession frequencies of polarized ^129 Xe and ^3 He, a new upper limit on the ^129 Xe atomic electric dipole moment (EDM) ${d}_{\text{A}}\left({}^{129}\mathrm{X}\mathrm{e}\right)$ was reported in Sachdev et al (2019 Phys. Rev. Lett. 123 , 143003). Here, we propose a new evaluation method based on global phase fitting (GPF) for analyzing the continuous phase development of the ^3 He– ^129 Xe comagnetometer signal. The Cramer–Rao lower bound on the ^129 Xe EDM for the GPF method is theoretically derived and shows the potential benefit of our new approach. The robustness o
Abstract by Tianhao Liu; Katharina Rolfs; Isaac Fan; Sophia Haude; Wolfgang Kilian; Liyi Li; Allard Schnabel; Jens Voigt, New Journal of Physics (2021) — licensed CC BY 4.0.
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Metadata source: DOAJ · DOI 10.1088/1367-2630/ac09ca