Bulletin of the American Physical Society
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 68, Number 7
Monday–Friday, June 5–9, 2023; Spokane, Washington
Session V01: Poster Session III (4:00pm-6:00pm, PT)
4:00 PM,
Thursday, June 8, 2023
Room: Exhibit Hall C
Abstract: V01.00103 : Precision spectroscopy of the 2S-6P transition in atomic hydrogen and deuterium
Presenter:
Lothar Maisenbacher
(University of California, Berkeley)
Authors:
Lothar Maisenbacher
(University of California, Berkeley)
Vitaly Wirthl
(Max Planck Institute of Quantum Optics)
Arthur Matveev
(Max Planck Institute of Quantum Optics)
Alexey Grinin
(Northwestern University, Center for Fundamental Physics)
Derya O Taray
(Max Planck Institute of Quantum Optics)
Omer Amit
(Max Planck Institute of Quantum Optics)
Randolf Pohl
(Max Planck Instiute of Quantum Optics)
Thomas Udem
(Max Planck Institute of Quantum Optics)
Theodor Hansch
(Max Planck Institute of Quantum Optics)
We recently measured the 2S-6P transition in hydrogen with a relative uncertainty below one part in 1012, allowing one of the most stringent tests of bound-state QED. Here, we report on the status of the ongoing analysis. We also performed a preliminary measurement of the same transition in deuterium. The measurement in deuterium is complicated by the simultaneous excitation of hyperfine transitions, which can lead to unresolved quantum interference [4]. We have studied such effects, along with others, in detail, and conclude that a 2S-6P deuterium measurement with similar precision as for hydrogen is feasible.
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