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Journal Article

Measurement of Ultralow Heating Rates of a Single Antiproton in a Cryogenic Penning Trap

MPS-Authors
/persons/resource/persons200182

Harrington,  J.
RIKEN, Ulmer Fundamental Symmetries Laboratory, Wako, Saitama 351-0198, Japan;
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons204546

Bohman,  Matthew
RIKEN, Ulmer Fundamental Symmetries Laboratory, Wako, Saitama 351-0198, Japan;
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons217912

Wiesinger,  Markus
RIKEN, Ulmer Fundamental Symmetries Laboratory, Wako, Saitama 351-0198, Japan;
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30312

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

External Resource

https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.122.043201
(Publisher version)

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Fulltext (public)

1901.09860
(Preprint), 459KB

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Citation

Borchert, M. J., Blessing, P. E., Devlin, J. A., Harrington, J., Higuchi, T., Morgner, J., et al. (2019). Measurement of Ultralow Heating Rates of a Single Antiproton in a Cryogenic Penning Trap. Physical Review Letters, 122(04): 043201. doi:10.1103/PhysRevLett.122.043201.


Cite as: https://hdl.handle.net/21.11116/0000-0003-275E-9
Abstract
We report on the first detailed study of motional heating in a cryogenic Penning trap using a single antiproton. Employing the continuous Stern-Gerlach effect we observe cyclotron quantum transition rates of 6(1)  quanta/h and an electric-field noise spectral density below 7.5(3.4)×10−20  V2 m−2 Hz−1, which corresponds to a scaled noise spectral density below 8.8(4.0)×10−12  V2 m−2, results which are more than 2 orders of magnitude smaller than those reported by other ion-trap experiments.