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We describe a novel SIMION model, based on the principle of reciprocity, to simulate ion–image charge detection and demonstrate utility for Fourier transform ion cyclotron resonance mass spectrometry. The model accommodates arbitrary electrode geometry, magnetic field inhomogeneity, ion-neutral collisions, and swept or single-frequency excitation, but does not account for ion–ion or ion–image charge...
Azimuthal quadrupolar excitation has become one of the most useful techniques for ion axialization and translational cooling for FT-ICR mass spectrometry, leading to order(s)-of-magnitude improvement in mass selectivity, resolving power, mass accuracy, remeasurement efficiency, etc. Recently, Hendrickson et al. (J. Am. Soc. Mass Spectrom. 6 (1995) 448-452) showed that axialization may be achieved...
Virtually all Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry experiments are based on ion confinement in a Penning trap: namely, a spatially homogeneous static magnetic field B, and a three-dimensional axial (along B) quadrupolar electrostatic trapping potential. In addition, it is desirable to provide an alternating azimuthal (i.e. in a plane perpendicular to B) spatially uniform...
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