3. Physical and dosimetric quantities
3.1 Radioactive activity
The activity of a radioactive source is defined by the number of radioactive transformations (disintegrations) per unit of time and obeys the following law:
with :
- N :
-
number of atoms at time t,
- λ :
- (s –1 ) radioactive...
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Physical and dosimetric quantities
Effects of ionizing radiation
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