Absolute rate coefficients for the recombination of open f-shell tungsten ions
Absolute rate coefficients for the recombination of open f-shell tungsten ions
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开式 f 壳层钨离子重组的绝对速率系数
DOI:
10.1088/1742-6596/488/1/012051
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
S. Schippers
中科院分区:
文献类型:
--
作者:
C. Krantz;K. Spruck;N. R. Badnell;A. Becker;D. Bernhardt;M. Grieser;M. Hahn;O. Novotný;R. Repnow;D. W. Savin;A. Wolf;A. Müller;S. Schippers
We have carried out direct measurements of the absolute recombination rate coefficients of four charge states of tungsten in the range from W 18+ to W 21+ in a heavy ion storage ring. We find that the rich atomic fine structure of the open f-shell leads to very high resonant enhancement of the recombination rate at energies below~ 50 eV. Even in the higher energy domain relevant to fusion plasma this leads to a recombination rate coefficient that is more than four times higher than predicted by the commonly used ADAS database of recombination rates. In addition to the experimental measurements we have carried out theoretical calculations using Autostructure. For W 20+ these predict a plasma recombination rate coefficient that agrees much better with the measurement than the ADAS model but still fail to reproduce the experimental data in detail.
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DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
U. Safronova;A. Safronova
通讯作者:
A. Safronova
影响因子:
3.3
作者:
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DOI:
10.1088/1742-6596/635/5/052029
发表时间:
2001
期刊:
Journal of Physics: Conference Series
影响因子:
--
作者:
J. Berengut;V. Flambaum;V. Dzuba;G. Gribakin;G. Gribakin;C. Harabati;Mikhail G. Kozlov
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DOI:
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发表时间:
2012
期刊:
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通讯作者:
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