radiation length
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radiation length
[‚rād·ē′ā·shən ‚leŋkth] (nucleonics)
The mean path length required to reduce the energy of relativistic charged particles by the factor 1/ e, or 0.368, as they pass through matter. Also known as cascade unit; radiation unit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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