ERO modeling of beryllium erosion by helium plasma in experiments at PISCES-B

Borodin, D.; Eksaeva, A.; Linsmeier, Ch.; Marenkov, E.; Doerner, R. P.; Kirschner, A.; Kreter, A.; Romazanov, J.; Nishijima, D.; Borodkina, I.; Brezinsek, S.

doi:10.1016/j.nme.2017.05.004

Journal Article

FZJ-2017-05116

ERO modeling of beryllium erosion by helium plasma in experiments at PISCES-B

Borodin, D. (Corresponding author)FZJ* ; Nishijima, D. ; Doerner, R. P. ; Brezinsek, S.FZJ* ; Kreter, A.FZJ* ; Kirschner, A.FZJ* ; Romazanov, J.FZJ* ; Borodkina, I.FZJ* ; Eksaeva, A.FZJ* ; Marenkov, E. ; Linsmeier, C.FZJ*

2017
Elsevier Amsterdam [u.a.]

Nuclear materials and energy 12, 1157-1162 (2017) [10.1016/j.nme.2017.05.004]

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Please use a persistent id in citations: http://hdl.handle.net/2128/15706 doi:10.1016/j.nme.2017.05.004

Abstract: The beryllium erosion by helium plasma irradiation is studied at the PISCES-B linear plasma device and interpreted using the accompanying simulations by the ERO code. The influence of plasma conditions and varying negative biasing of the Be plasma target on BeI and BeII absolute line intensities are reproduced in detail by the simulations. The synthetic axial line intensity shapes and line ratios match with experiment. This indicates that atomic data are quite accurate. The initial population state of quasi-metastable 3P level in BeI is found to be MS:GS = 0.33:1 for all conditions. The yields determined by the modeling interpretation are compared to the SDTrimSP code simulations in the binary collision approximation.

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