Resolving an individual one-proton spin flip to determine a proton spin State

J. Disciacca*, M. Marshall, K. Marable, G. Gabrielse

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Previous measurements with a single trapped proton (p) or antiproton (p̄) detected spin resonance from the increased scatter of frequency measurements caused by many spin flips. Here a measured correlation confirms that individual spin transitions and states are rapidly detected instead. The 96% fidelity and an efficiency expected to approach unity suggests that it may be possible to use quantum jump spectroscopy to measure the p and p̄ magnetic moments much more precisely. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Original languageEnglish (US)
Article number140406
JournalPhysical review letters
Issue number14
StatePublished - Apr 4 2013

ASJC Scopus subject areas

  • General Physics and Astronomy


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