Publication: Progress towards a sub-ppb measurement of the antiproton magnetic moment
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2019-08-05
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Marable, Kathryn Bryn. 2019. Progress towards a sub-ppb measurement of the antiproton magnetic moment. Doctoral dissertation, Harvard University, Graduate School of Arts & Sciences.
Abstract
The antiproton magnetic moment was measured for the first time using a single antiproton. This allowed a 680-fold improvement in precision, and a resulting value in Bohr magnetons of g/2 =2.792845 (12) . This first direct comparison of the antiproton and proton magnetic moments, resulted in a measured ratio of -1.000 000 (5), a stringent test of CPT. An apparatus that separates the particle excitation and detection was designed, constructed and partly demonstrated. The proposed measurement sequence and result is presented.
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antiproton, magnetic moment
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