The ion cyclotron resonance frequency of short, single-species plasmas in Penning traps

We present here models that allow us to calculate the effects of various linear and low-order nonlinear terms on the E×B drift frequency in a cylindrical Penning trap mass spectrometer. These effects translate directly to shifts in the observed ion cyclotron resonance frequency. We show that nonline...

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Bibliographic Details
Published in:Journal of applied physics 2006-01, Vol.99 (1)
Main Authors: Barlow, S. E., Tinkle, Mark D.
Format: Article
Language:English
Subjects:
Environmental Molecular Sciences Laboratory
FREQUENCY DEPENDENCE
ION CYCLOTRON-RESONANCE
MASS SPECTROMETERS
MATHEMATICAL MODELS
OTHER INSTRUMENTATION
PENNING EFFECT
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Summary:We present here models that allow us to calculate the effects of various linear and low-order nonlinear terms on the E×B drift frequency in a cylindrical Penning trap mass spectrometer. These effects translate directly to shifts in the observed ion cyclotron resonance frequency. We show that nonlinearities in the external electrostatic potential interact with the space charge to affect the observations. Similarly, image charge effects are readily incorporated. The model is then used to describe experimental observations and found to largely account for our observations.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.2158504