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AMS

Definition

Accelerator mass spectrometry, measuring rare-isotope information rather than decay counts.

Related terms

Activity
The rate of nuclear transformations, expressed in becquerels.
Count Rate
Observed detector events per unit time, requiring interpretation of background and response.
Half-Life
Time for half the radioactive atoms to decay. NAA exploits half-life by timing the count: short-lived isotopes are read first, long-lived ones...
NAA
Neutron activation analysis, determining suitable elements through induced nuclear emissions.
Radiocarbon Calibration
Conversion of a radiocarbon measurement or conventional age into an appropriate calendar distribution.

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