Abstract
The traditional compensated Penning trap has been used in the past to precisely measure mass ratios of positrons[1] and protons[2] relative to the electron. Present investigations may allow one to indirectly determine the neutron/proton mass ratio as well as the 3 H — 3 He mass difference to sub-ppb precision. The latter measurement may even have direct impact on the neutrino rest mass experiments[3]. It is also probable that variations of this trap will be used to make precision measurements of the antiproton relative to the proton[4]. Because of the present interest in such mass spectroscopy, a review of the basic method is in order with an emphasis on the use of multiply-charged ions for these measurements with an application to C 4+.
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© 1989 Springer-Verlag Berlin, Heidelberg
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Van Dyck, R.S., Moore, F.L., Farnham, D.L., Schwinberg, P.B. (1989). Mass Ratio Spectroscopy and the Proton’s Atomic Mass. In: De Marchi, A. (eds) Frequency Standards and Metrology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74501-0_60
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DOI: https://doi.org/10.1007/978-3-642-74501-0_60
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