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Towards a revised Monte Carlo neutral particle surface interaction model

Published 26 April 2006 2006 The Royal Swedish Academy of Sciences
, , Citation D P Stotler 2006 Phys. Scr. 2006 23 DOI 10.1088/0031-8949/2006/T124/005

1402-4896/2006/T124/23

Abstract

The components of the neutral- and plasma-surface interaction model used in the Monte Carlo neutral transport code DEGAS 2 are reviewed. The idealized surfaces and processes handled by that model are inadequate for accurately simulating neutral transport behaviour in present day and future fusion devices. We identify some of the physical processes missing from the model, such as mixed materials and implanted hydrogen, and make some suggestions for improving the model.

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10.1088/0031-8949/2006/T124/005