ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] In a low density plasma exposed to a dilute source of ionizing radiation, the populations of excited levels of atoms are fixed primarily by the balance between electronic recombination and cascade into the levels, and spontaneous transitions out of them. The populations of very high levels are also ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/215041a0
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