Superconducting Solenoid System with Adjustable Shielding Factor for Precision 
Measurements of the Properties of the Antiproton

Devlin, Jack A.; Wursten, Elise; Harrington, James A.; Higuchi, Takashi; Blessing, Pascal E.; Borchert, Matthias J.; Erlewein, Stefan; Hansen, Jannek J.; Morgner, Jonathan; Bohman, Matthew; Mooser, Andreas; Smorra, Christian; Wiesinger, Markus; Blaum, Klaus; Matsuda, Yasuyuki; Ospelkaus, Christian; Quint, Wolfgang; Walz, Jochen; Yamazaki, Yasunori; Ulmer, Stefan

doi:10.1103/PhysRevApplied.12.044012

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Superconducting Solenoid System with Adjustable Shielding Factor for Precision Measurements of the Properties of the Antiproton

MPS-Authors

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

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

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

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

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

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Citation

Devlin, J. A., Wursten, E., Harrington, J. A., Higuchi, T., Blessing, P. E., Borchert, M. J., et al. (2019). Superconducting Solenoid System with Adjustable Shielding Factor for Precision Measurements of the Properties of the Antiproton. Physical Review Applied, 12(4): 044012. doi:10.1103/PhysRevApplied.12.044012.

Cite as: https://hdl.handle.net/21.11116/0000-0004-ECF3-0

Abstract

A superconducting self-shielding three-solenoid system with an adjustable shielding factor is developed, implemented, and characterized using a single antiproton in a Penning trap. With the tuned system, we suppress external magnetic field disturbances by up to a factor of 225 ± 15, allowing antiproton-to-proton charge-to-mass ratio comparisons with fourfold reduced frequency fluctuations and antiproton magnetic moment determinations with tenfold reduced uncertainty.