beta-ray spectrometer

beta-ray spectrometer

[′bād·ə ‚rā spek′träm·əd·ər]
(spectroscopy)
An instrument used to determine the energy distribution of beta particles and secondary electrons. Also known as beta spectrometer.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.