detection efficiency

in nuclear analytical chemistry
https://doi.org/10.1351/goldbook.D01627
The ratio between the number of
particles
or
photons
detected and the number of similar particles or photons emitted by the
radiation source
.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1539 [Terms] [Paper]