The magnetic moments of the proton and the antiproton

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Ulmer, S.; Mooser, A.; Blaum, K.; Braeuninger, S.; Franke, K. et al.: The magnetic moments of the proton and the antiproton. In: Journal of Physics: Conference Series 488 (2014), 12033. DOI:

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Sum total of downloads: 88

Recent exciting progress in the preparation and manipulation of the motional quantum states of a single trapped proton enabled the first direct detection of the particle's spin state. Based on this success the proton magnetic moment μp was measured with ppm precision in a Penning trap with a superimposed magnetic field inhomogeneity. An improvement by an additional factor of 1000 in precision is possible by application of the so-called double Penning trap technique. In a recent paper we reported the first demonstration of this method with a single trapped proton, which is a major step towards the first direct high-precision measurement of μp. The techniques required for the proton can be directly applied to measure the antiproton magnetic moment μp. An improvement in precision of μp by more than three orders of magnitude becomes possible, which will provide one of the most sensitive tests of CPT invariance. To achieve this research goal we are currently setting up the Baryon Antibaryon Symmetry Experiment (BASE) at the antiproton decelerator (AD) of CERN.
License of this version: CC BY 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
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1 image of flag of Germany Germany 81 92.05%
2 image of flag of United States United States 3 3.41%
3 image of flag of Taiwan Taiwan 1 1.14%
4 image of flag of Poland Poland 1 1.14%
5 image of flag of Czech Republic Czech Republic 1 1.14%
6 image of flag of Bangladesh Bangladesh 1 1.14%

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