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Lifetime of the 5d 2D5/2 level of 138Ba+ from quantum jumps with single and multiple Ba+ ions

Dijck, E., Mohanty, A., Nunez Portela, M., Willmann, L. & Jungmann, K-P., 14-Mar-2018, In : Physical Review A. 97, 3, 12 p., 032508.

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  • Lifetime of the 5d 2D5/2 level of 138Ba+ from quantum jumps with single and multiple Ba+ ions

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DOI

The lifetime of the long-lived 5d(2)D(5/2) level in Ba-138(+) ions was measured in trapped single ions and small ion crystals using continuous quantum jump spectroscopy. We find tau(D5/2) = 25.6(0.5) s, significantly below previously reported values. We have verified our result by exploiting camera images of the stored ions, which enabled monitoring the cleanliness and sufficiently low temperature of the ion samples, and investigating common systematic effects.

Original languageEnglish
Article number032508
Number of pages12
JournalPhysical Review A
Volume97
Issue number3
Publication statusPublished - 14-Mar-2018

    Keywords

  • PARITY NONCONSERVATION, BARIUM ION, TRANSITION, CA+, FLUORESCENCE, VIOLATION, RATES, TRAP, SR+

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