Counting efficiency

Graphic showing relationships between radioactivity and detected ionizing radiation

Hand-held large area alpha scintillation probe under calibration using a plate source in close proximity to the detector.

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.

单词	Counting efficiency
释义	Counting efficiency 英语百科 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.
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