Josephson voltage standards as ultra-stable low-noise voltage sources for 
precision Penning-trap experiments

Kaiser, A.; Dickopf, S.; Door, M.; Behr , R.; Beutel, U.; Eliseev, S.; Kaushik, A.; Kromer, K.; Müller, M.; Palafox, L.; Ulmer, S.; Mooser, A.; Blaum, K.

doi:10.1063/5.0206779

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Journal Article

Josephson voltage standards as ultra-stable low-noise voltage sources for precision Penning-trap experiments

MPS-Authors

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

/persons/resource/persons207109

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

/persons/resource/persons186043

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

/persons/resource/persons298790

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

/persons/resource/persons30445

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

/persons/resource/persons290843

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

/persons/resource/persons134873

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

/persons/resource/persons224530

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

/persons/resource/persons223857

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

/persons/resource/persons30312

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

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https://pubs.aip.org/aip/apl/article-pdf/doi/10.1063/5.0206779/19971136/224002_1_5.0206779.pdf
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Citation

Kaiser, A., Dickopf, S., Door, M., Behr, R., Beutel, U., Eliseev, S., et al. (2024). Josephson voltage standards as ultra-stable low-noise voltage sources for precision Penning-trap experiments. Applied Physics Letters, 124(22): 224002. doi:10.1063/5.0206779.

Cite as: https://hdl.handle.net/21.11116/0000-000F-5E95-0

Abstract

A high-precision Penning-trap experiment was operated with a programmable 20V Josephson voltage source, providing a significantly higher stability of the electrostatic trapping potential. This increased the motional frequency stability of a trapped ion by about a factor of two with respect to state-of-the-art voltage sources. An absolute axial frequency stability of 7.8(6) mHz corresponding to a relative precision of 9.7(8) x 10^-9 at 795 kHz was demonstrated using a trapped ⁹Be³⁺ ion as a measurement probe. The enhanced stability in the trapping potential opens up the possibility for improved determinations of the proton and antiproton magnetic moments and direct high-precision measurements of the nuclear magnetic moments of ²H, ³He, and ⁷Li. In the field of mass spectrometry, the developments will enable measurements of cyclotron frequency ratios and, thus, mass ratio measurements with unprecedented relative statistical uncertainties below the 10^-12 level.