Abstract
The excitation of the motion of ions in a Penning trap at twice their cyclotron frequency, 2v c , by means of an azimuthal octupolar RF field has been studied with the LEBIT facility at the NSCL. The possibility of such an RF octupolar excitation has been verified. Compared to ion excitation at v c by means of quadrupolar fields an increased resolving power is observed in the cyclotron resonance curves, which may have important implications for Penning trap mass measurements. Numerical simulations have been used to characterize important properties of this type of excitation in detail and to predict the behavior of the ion motion under realistic conditions. Good agreement with the experimental results is observed.
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Ringle, R., Bollen, G., Schury, P., Schwarz, S., Sun, T. (2007). Octupolar excitation of ion motion in a penning trap. In: Dilling, J., Comyn, M., Thompson, J., Gwinner, G. (eds) TCP 2006. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73466-6_44
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DOI: https://doi.org/10.1007/978-3-540-73466-6_44
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