Author: Green, M.R.
Paper Title Page
THPMP036 Beam Dynamics of Novel Hybrid Ion Mass Analysers 3522
  • R.B. Appleby, T. Rose
    UMAN, Manchester, United Kingdom
  • M.R. Green, P. Nixon, K. Richardson
    Waters Corporation, Manchester, United Kingdom
  Fourier transform (FT) mass spectrometers achieve high resolution using relatively long transient times by trapping ions and measuring the frequency of their motion (inductively) inside an electrostatic potential. By contrast, time-of-flight (ToF) mass spectrometers measure the time of flight between an initiation pulse and contact with a destructive detector positioned on a plane of space focus after flying along a predetermined route. These devices have relatively short flight times and, generally, lower resolution. A class of hybrid analysers have been proposed and studied, utilising a quadro-logarithmic potential to reflect ions multiple times past an inductive detector, with the potential for the short transient of ToF devices - and the high resolution of FT devices. In this paper we compute the ion dynamics inside such devices, tracking bunches of ions and studying induced signals.  
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About • paper received ※ 14 May 2019       paper accepted ※ 23 May 2019       issue date ※ 21 June 2019  
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