transition radiation detector
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transition radiation detector[tran′zish·ən ‚rād·ē′ā·shən di‚tek·tər]
A detector of energetic charged particles that makes use of the radiation emitted as the particle crosses boundaries between regions with different indices of refraction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.