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Model calculation of amplitudes for FT-ICR ion detection in a cylindrical Penning trap

Applied Physics B. Bd. 107. H. 4. Springer Nature 2012 S. 1007 - 1017

Erscheinungsjahr: 2012

ISBN/ISSN: 0946-2171

Publikationstyp: Zeitschriftenaufsatz (Forschungsbericht)

Sprache: Englisch

Doi/URN: 10.1007/s00340-012-4905-0

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Inhaltszusammenfassung


A Green’s function strategy first proposed by Grosshans et al. is used to calculate the electric charges induced by trapped ions on the 4-fold or 8-fold segmented ring electrode of a cylindrical Penning trap. The ions are assumed to move in the central region of the trap where the harmonic approximation holds. The electric charges induced on each detection segment of the ring electrode are obtained in the form of a triple Fourier series with oefficients that describe the contribution of each ...A Green’s function strategy first proposed by Grosshans et al. is used to calculate the electric charges induced by trapped ions on the 4-fold or 8-fold segmented ring electrode of a cylindrical Penning trap. The ions are assumed to move in the central region of the trap where the harmonic approximation holds. The electric charges induced on each detection segment of the ring electrode are obtained in the form of a triple Fourier series with oefficients that describe the contribution of each frequency combination m_+ ν_+ + m_− ν_− + m_z ν_z as a function of R+, R−, Z, where ν_+, ν_−, ν_z are the characteristic frequencies and R+, R−, Z the corresponding amplitudes of the ion motion. The sideband structure is analyzed and the origin of the sidebands is tracked. Finally, single-electrode, differential, and additive detection are discussed.» weiterlesen» einklappen

  • Modify Bessel Function
  • Ring Electrode
  • Fourier Amplitude
  • Trap Center
  • Detection Electrode

Klassifikation


DFG Fachgebiet:
Teilchen, Kerne und Felder

DDC Sachgruppe:
Naturwissenschaften

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