Edge Matrices of Magnetic Sector in a Static Mass Spectrometer

The first-order input and output edge transfer matrix elements of the magnetic sector in a static mass spectrometer are derived based on the conservation law of the generalized momentum of ions in a magnetic field. The structure of the edge matrix is shown to be ambiguous and dependent on the effect...

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Veröffentlicht in:Journal of analytical chemistry (New York, N.Y.) Jg. 78; H. 13; S. 1856 - 1863
Hauptverfasser: Sachenko, V. D., Antonov, A. S.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Moscow Pleiades Publishing 01.12.2023
Springer
Springer Nature B.V
Schlagworte:
Algorithms
Analytical Chemistry
Asymptotic series
Charged particles
Chemistry
Chemistry and Materials Science
Conservation laws
Geometry
Ion beams
Ion trajectories
Magnetic fields
Magnetic sectors
Mass spectrometers
momentum
Optical properties
spectrometers
Transfer matrices
Russia
edge magnetic fields
transfer matrix
effective model
mass analyzers
static mass spectrometer
ion-optical axis
edge fields
static mass analyzer
ISSN:1061-9348, 1608-3199
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:The first-order input and output edge transfer matrix elements of the magnetic sector in a static mass spectrometer are derived based on the conservation law of the generalized momentum of ions in a magnetic field. The structure of the edge matrix is shown to be ambiguous and dependent on the effective model, which considers the displacement of ion trajectories in the edge field. A comparison of the results obtained with traditional methods, such as expanding the edge field components and trajectory equations into asymptotic series and integrating successive approximations, reveals significant differences in the first-order edge matrix elements in the effective model of the magnetic sector, where the ideal uniform field is bounded by Herzog boundaries, compared to the published data. Algorithms for matching the input and output axes of the magnetic sector, taking into account the action of the edge fields, are given.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1061-9348
1608-3199
DOI:10.1134/S1061934823130117