First Single Particle Measurements of the Proton and Antiproton Magnetic Moments

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First Single Particle Measurements of the Proton and Antiproton Magnetic Moments

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Title: First Single Particle Measurements of the Proton and Antiproton Magnetic Moments
Author: DiSciacca, Jack Michael
Citation: DiSciacca, Jack Michael. 2013. First Single Particle Measurements of the Proton and Antiproton Magnetic Moments. Doctoral dissertation, Harvard University.
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Abstract: We report a new comparison of the proton (p) and antiproton \((\bar{p})\) magnetic moments. In nuclear magnetons, \(\mu_p/\mu_N\) = 2.792 846 (7) [2.5 ppm], while \(\mu_{\bar{p}}/\mu_N\) = 2.792 845 (12) [4.4 ppm]. The unprecedented accuracy of the antiproton measurement is 680 times more precise than previous work. These first single-particle measurements provide a stringent test of CPT invariance. Our comparison, \(\mu_{\bar{p}}/\mu_p\) = -1.000 000 (5) [5.0 ppm], is consistent with the prediction of the CPT theorem. We also report the observation of a single proton spin flip, opening a path to improved precision by an additional factor of \(10^3\) or \(10^4\).
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11095961
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