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VOLUME 69 (1999) | ISSUE 6 | PAGE 453
Radiative emission of hot metallic clusters
PACS: 36.40.Vz
The analysis of experimental data for the relaxation of freely moving hot niobium and tungsten clusters shows that they are cooled as a result of radiative emission. The absorption cross sections per atom of niobium and tungsten clusters in the temperature range of 3100 — 3700 К are (4 7) · 10_18cm2, and the absorption process loses the resonant character at these temperatures.