Counting efficiency

In the measurement of ionising radiation the counting efficiency is the ratio between the number of particles or photons counted with a radiation counter and the number of particles or photons of the same type and energy emitted by the radiation source.[1]

  1. ^ McNaught, A.D.; Wilkinson, A. (1997). IUPAC Compendium of Chemical Terminology (2nd ed.). Blackwell Science. p. 464. ISBN 0865426848.