Calculation of the effect of collisional broadening on high-resolution translational energy loss spectra:Special Issue: In honour of John H. Beynon

Brenton, A.G and Jonathan, P (2003) Calculation of the effect of collisional broadening on high-resolution translational energy loss spectra:Special Issue: In honour of John H. Beynon. International Journal of Mass Spectrometry, 230 (2). pp. 185-192. ISSN 1387-3806

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Abstract

The collisional broadening of peaks in the spectra arising from translational energy spectroscopy (TES) studies is theoretically investigated. A numerical calculation, based on the TRIO matrix ion-beam transport computer programme, is used to simulate the collision event and its effects on the focussing properties of a number of ‘double-focussing’ instrument designs. The ion-optical models utilised include a commercial mass spectrometer and two novel high-resolution energy spectrometers (TESI and TESII), incorporating quadrupole and hexapole field lenses to focus the beam and reduce image aberrations. For a given design of spectrometer, peak broadening is evaluated in terms of the translational energy change suffered by the ion during collision and the angle through which it is scattered.

Item Type: Journal Article
Journal or Publication Title: International Journal of Mass Spectrometry
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
Departments: Faculty of Science and Technology > Mathematics and Statistics
ID Code: 133147
Deposited By: ep_importer_pure
Deposited On: 24 Apr 2019 09:15
Refereed?: Yes
Published?: Published
Last Modified: 22 Jun 2019 09:09
URI: https://eprints.lancs.ac.uk/id/eprint/133147

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