Measurement of atomic Stark parameters of many MnI and FeI spectral lines using GMAW process
Résumé
The particular character of the welding arc working in pure argon, which emission spectrum consists of many spectral lines strongly broadened by Stark effect, has allowed to measure, sometimes for the first time, the Stark parameters of 15 Mn I and 10 Fe I atomic spectral lines, and to determine the dependence in temperature of normalized Stark broadening in N e = 10 23 m -3 of the 542.4 nm atomic iron line. These results show that special properties of the MIG plasma may be useful in this domain because composition of the wire-electrode may be easily adapted to needs of an experiment.
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PEER_stage2_10.1088%2F0022-3727%2F43%2F43%2F434005.pdf (5.18 Mo)
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