Activity
Definition
The rate of nuclear transformations, expressed in becquerels.
Related terms
- AMS
- Accelerator mass spectrometry, measuring rare-isotope information rather than decay counts.
- 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.