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

Kaiser, Annabelle; Dickopf, Stefan; Door, Menno; Behr, Ralf; Beutel, U.; Eliseev, Sergey; Kaushik, A.; Kromer, Kathrin; Müller, Marius; Palafox Gamir, Luis; Ulmer, Stefan; Mooser, Andreas; Blaum, K.

doi:https://doi.org/10.1063/5.0206779

Zugriffsnummer	52409
Dokumenttyp	Zeitschriftenartikel
Peer Review	mit Peer Review
Sprache	Englisch
Titel	Josephson voltage standards as ultra-stable low-noise voltage sources for precision Penning-trap experiments
Autor(in); Institution	Kaiser, Annabelle; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Dickopf, Stefan; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Door, Menno; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Behr, Ralf; 2.6, Elektrische Quantenmetrologie, PTB-Braunschweig Beutel, U.; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Eliseev, Sergey; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Kaushik, A.; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Kromer, Kathrin; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Müller, Marius; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Palafox Gamir, Luis; 2.6, Elektrische Quantenmetrologie, PTB-Braunschweig Ulmer, Stefan; Heinrich-Heine-Universität Düsseldorf: Düsseldorf, GERMANY Mooser, Andreas; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY Blaum, K.; Max Planck Institute for Nuclear Physics, Heidelberg, GERMANY
Quelle/Jahr	Applied Physics Letters: 124 (2024), 22, 224002-1 - 224002-8
ISSN	0003-6951 (print) ; 1077-3118 (online)
DOI	https://doi.org/10.1063/5.0206779
Verlag	Melville, NY: AIP Publishing
Freie Schlagworte	Josephson effect ; Electrostatics ; Magnetic dipole moment ; Electronic noise ; Precision measurements ; Ion-trap ; Mass spectrometry ; Cyclotron resonance
Zusammenfassung	A high-precision Penning-trap experiment was operated with a programmable 20 V 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)x10^-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 level.

Kostenfreier Zugang	Open Access Hybrid
Rechteinformation	CC BY 4.0 ; Creative Commons Attribution 4.0 License

Themenbereich der Metrologie

Elektrizität und Magnetismus

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Kaiser, A., Dickopf, S., Door, M., Behr, R., Beutel, U., Eliseev, S., Kaushik, A., Kromer, K., Müller, M., Palafox Gamir, L., Ulmer, S., Mooser, A., & Blaum, K. (2024). Josephson voltage standards as ultra-stable low-noise voltage sources for precision Penning-trap experiments. Applied Physics Letters, 124(22), 224002-1–224002-8. https://doi.org/10.1063/5.0206779

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