D.A. Freer

The quadrupole ion store (QUISTOR). Part X. Space charge and ion stability. B. On the theoretical distribution and density of stored charge in RF quadrupole fields

John F. J. Todd, R.M. Waldren, D.A. Freer et al. · International Journal of Mass Spectrometry and Ion Physics · 1980 · 43 citations

Natural Sciences, Physics, Nuclear Physics +9

The quadrupole ion store (QUISTOR). Part xii. The trapping of ions injected from an external source: A description in terms of phase-space'dynamics

John F. J. Todd, D.A. Freer, R.M. Waldren · International Journal of Mass Spectrometry and Ion Physics · 1980 · 41 citations

Natural Sciences, Physics, Plasma Physics +5

The quadrupole ion store (QUISTOR). Part XI. The model of ion motion in a pseudo-potential well: An appraisal in terms of phase-space dynamics

John F. J. Todd, D.A. Freer, R.M. Waldren · International Journal of Mass Spectrometry and Ion Physics · 1980 · 19 citations

Natural Sciences, Physics, Condensed Matter Physics +6