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New satellite structure of the solar and laser plasma spectra in vicinity of the Lα (mgxii) line

✍ Scribed by E. V. Aglizki; V. A. Boiko; A. Ya. Faenov; V. V. Korneev; V. V. Krutov; S. L. Mandelstam; S. A. Pikuz; U. I. Safronova; J. A. Sylwester; A. M. Urnov; L. A. Vainshtein; I. A. Zhitnik

Publisher
Springer
Year
1978
Tongue
English
Weight
384 KB
Volume
56
Category
Article
ISSN
0038-0938

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✦ Synopsis

Spectra in the narrow vicinity of the Mg xn resonance line at h = 8.42/~ were obtained aboard the satellites 'Intercosmos-4,-7' and the rocket 'Vertical-T, as well as from laser-produced plasma. The high resolution in solar and laboratory spectra made it possible to reveal a new spectral structure close to the La (Mg xn) line from both short and long wavelength sides. The main features were observed in all the spectra and were interpreted as a single or group of dielectronic satellite lines due to 213l'~ Is3l" transitions in the He-like ions according to theoretical calculations which were carried out by means of relativistic Z-expansion technique. The derived electron temperature of the emitting volumes seemed to be ~ 3 • 106K for laser plasma and about 6 • 106K for the solar flares studied. The latter value is in good agreement with the temperature estimated with the help of the resonance line-to-continuum intensity ratios.

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