Modelling single positron tracks in Ar

McEachran, R.P., Sullivan, J.P., Buckman, S.J., Brunger, M.J., Fuss, M.C., Muñoz, A., Blanco, F., White, R.D., Petrovic, Z.Lj., Limão-Vieira, P., and García, G. (2012) Modelling single positron tracks in Ar. Journal of Physics B: Atomic, Molecular and Optical Physics, 45 (4). 045207. pp. 1-8.

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Abstract

In this study, we present a complete set of positron interaction cross sections for scattering from Ar, for incident energies ranging from 0 to 10 keV. Experimental data have been critically reviewed from previous experiments performed at the Australian National University and University College London. Differential and integral cross sections, including the effect of positronium formation, have been calculated by using two different optical potential methods. The results of these calculations, in combination with experimental cross sections and experimental energy-loss spectra, have been established as input parameters for an event-by-event Monte Carlo simulation procedure to generate single positron tracks in argon. The reliability of this method to obtain energy deposition models at the nano-scale is also discussed.

Item ID: 22195
Item Type: Article (Research - C1)
ISSN: 1361-6455
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A Corrigendum for this article has been published in McEachran et al. (2012) Journal of Physics B: Atomic, Molecular and Optical Physics: 45 189502 and can be found at the link in the Related URLs field.

Date Deposited: 28 Jun 2012 16:16
FoR Codes: 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 80%
02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020204 Plasma Physics; Fusion Plasmas; Electrical Discharges @ 20%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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