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Observation of individual spin quantum transitions of a single antiproton

MPG-Autoren
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Bohman,  M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Harrington,  J.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

Higuchi,  T.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
Graduate School of Arts and Sciences, University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan;

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Blaum,  Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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1703.07096
(Preprint), 8MB

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Zitation

Smorra, C., Mooser, A., Besirli, M., Bohman, M., Borchert, M., Harrington, J., et al. (2017). Observation of individual spin quantum transitions of a single antiproton. Physics Letters B, 769, 1-6. doi:10.1016/j.physletb.2017.03.024.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-002C-F535-B
Zusammenfassung
We report on the detection of individual spin quantum transitions of a single trapped antiproton in a Penning trap. The spin-state determination, which is based on the unambiguous detection of axial frequency shifts in presence of a strong magnetic bottle, reaches a fidelity of 92.1%92.1%. Spin-state initialization with >99.9%>99.9% fidelity and an average initialization time of 24 min are demonstrated. This is a major step towards an antiproton magnetic moment measurement with a relative uncertainty on the part-per-billion level.