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

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Borchert, M.J.; Blessing, P.E.; Devlin, J.A.; Harrington, J.A. et al.: Measurement of Ultralow Heating Rates of a Single Antiproton in a Cryogenic Penning Trap. In: Physical Review Letters 122 (2019), Nr. 4, 43201. DOI: https://doi.org/10.1103/PhysRevLett.122.043201

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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. © 2019 authors.
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2019
Appears in Collections:Fakultät für Mathematik und Physik

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1 image of flag of Germany Germany 34 53.97%
2 image of flag of United States United States 20 31.75%
3 image of flag of China China 6 9.52%
4 image of flag of Taiwan Taiwan 1 1.59%
5 image of flag of Japan Japan 1 1.59%
6 image of flag of Canada Canada 1 1.59%

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