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VOLUME 31 (1980) | ISSUE 12 | PAGE 720
Spectroscopic measurement of the electron plasma density of the "hot spot" in a low-inductance vacuum spark
A redistribution of the satellite intensities on the resonance lines of He-like Ca and Ti ions because of transfer of the excitation between the autoionization states due to electron collisions was used to determine the electron density of the "hot spot" in a low-inductance vacuum spark. It is shown that the electron density of the plasma heated to a temperature of ~1-1.5 keV is ~1023 cm-3.