A rigorous method to determine the saturation current of ionisation chambers in the recombination regime

n this work we apply a rigorous method to obtain the saturation current Isat of a 4?? ionisation chamber under very intense ? radiation from a 192 Ir solid source ranging from 27 GBq (0.75 Ci) to 4.1 TBq (110 Ci). We determine Isat by ?tting experimental results to a ?nite series of powers of 1/V 2...

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