Abstract
Penning traps are an important new tool for mass spectroscopy, aided by an invariance theorem which facilitates precise mass spectroscopy in an imperfect trap. The motions of particles in a Penning trap are discussed and the features which make it very attractive to do mass spectroscopy in a trap are illustrated. Careful attention is paid to the motivations and prospects for a measurement of the inertial mass of the antiproton. Prospects for such a measurement are now excellent since our TRAP Collaboration actually captured antiprotons in a Penning trap only 2 months ago. An overview of ways to cool particles within the trap is provided and brief speculations upon the possibility of producing antihydrogen in a trap are included.
Invited Lecture at the International School of Physics with Low Energy Antiprotons: Fundamental Symmetries, Sept. 24 – Oct. 4, 1986, Erice, Italy.
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Gabrielse, G. (1987). Penning Traps, Masses and Antiprotons. In: Bloch, P., Pavlopoulos, P., Klapisch, R. (eds) Fundamental Symmetries. Ettore Majorana International Science Series, vol 31. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-5389-8_5
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