Sidebands from longitudinal bunch oscillations in an electrostatic ion beam trap

Y. Toker; D. Schwalm; L. H. Andersen; O. Heber; D. Zajfman

doi:10.1088/1748-0221/9/04/p04008

Sidebands from longitudinal bunch oscillations in an electrostatic ion beam trap

Y. Toker, D. Schwalm, L. H. Andersen, O. Heber, D. Zajfman

Research output: Contribution to journal › Article › peer-review

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Abstract

Sidebands are observed in the Fourier transform of the pickup signal of an RF-bunched beam oscillating in an electrostatic ion beam trap. We show that the sidebands are dominated by a collective longitudinal oscillation of the center of the bunch around the synchronous ion as the bunch travels within the storage device. We present evidence for a linear dependence of the sideband frequency and for a seemingly chaotic behavior of the amplitude of the sideband peaks on the number of stored ions.

Original language	English
Article number	P04008
Journal	Journal of Instrumentation
Volume	9
Issue number	4
DOIs	https://doi.org/10.1088/1748-0221/9/04/p04008
State	Published - Apr 2014
Externally published	Yes

Keywords

Beam dynamics
Low-energy ion storage

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10.1088/1748-0221/9/04/p04008

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abstract = "Sidebands are observed in the Fourier transform of the pickup signal of an RF-bunched beam oscillating in an electrostatic ion beam trap. We show that the sidebands are dominated by a collective longitudinal oscillation of the center of the bunch around the synchronous ion as the bunch travels within the storage device. We present evidence for a linear dependence of the sideband frequency and for a seemingly chaotic behavior of the amplitude of the sideband peaks on the number of stored ions.",

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AU - Schwalm, D.

AU - Andersen, L. H.

AU - Heber, O.

AU - Zajfman, D.

PY - 2014/4

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AB - Sidebands are observed in the Fourier transform of the pickup signal of an RF-bunched beam oscillating in an electrostatic ion beam trap. We show that the sidebands are dominated by a collective longitudinal oscillation of the center of the bunch around the synchronous ion as the bunch travels within the storage device. We present evidence for a linear dependence of the sideband frequency and for a seemingly chaotic behavior of the amplitude of the sideband peaks on the number of stored ions.

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KW - Low-energy ion storage

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Sidebands from longitudinal bunch oscillations in an electrostatic ion beam trap

Abstract

Keywords

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