Abstract
Abstract Measurement of the Hel line at λ = 447.15 nm during the recombination of a helium plasma in a magnetic field of induction B = 10 Tesla by means of a multichannel analyzer system with spectral and temporal resolution showed a Stark-Zeeman broadened line with a superposed line structure. - There are sufficient experimental indications to conclude that this structure is due to molecular transitions, in agreement with the observations for magnetic field-free afterglow plasmas. At the lowest electron densities also some of the weaker Zeeman components of both the allowed and forbidden transitions probably contribute to the structure. The existence of Baranger-Mozer plasma satellites under our experimental conditions could not be confirmed. - We observed further a relatively strong electron density-dependent asymmetry in the intensities of the two main lateral Zeeman-Stark components of the allowed line.
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