Novel spin-precession method for sensitive EDM searches

We demonstrate a spin-precession method to observe and analyze multi-level coherence between all hyperfine levels in the \(X ^2\Sigma^+,N=0\) ground state of barium monofluoride (\(^{138}\)Ba\(^{19}\)F). The signal is sensitive to the state-preparation Rabi frequency and external electric and magnet...

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Bibliographic Details
Published in:arXiv.org 2023-03
Main Authors: Boeschoten, A, Marshall, V R, Meijknecht, T B, Touwen, A, Bethlem, H L, Borschevsky, A, Hoekstra, S, J W F van Hofslot, Jungmann, K, Mooij, M C, Timmermans, R G E, Ubachs, W, Willmann, L
Format: Article
Language:English
Subjects:
Barium
Dipole moments
Electric dipoles
Electric fields
Precession
Rabi frequency
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Summary:We demonstrate a spin-precession method to observe and analyze multi-level coherence between all hyperfine levels in the \(X ^2\Sigma^+,N=0\) ground state of barium monofluoride (\(^{138}\)Ba\(^{19}\)F). The signal is sensitive to the state-preparation Rabi frequency and external electric and magnetic fields applied in searches for a permanent electric dipole moment (EDM). In the obtained interference spectrum, the electric field and Rabi frequency become observable simultaneously with the EDM. This method reduces systematic biases and the number of auxiliary measurements for such precision measurements.
ISSN:2331-8422