Decay time

The radioactive fission productsNuclides generated by fission or subsequent radioactive deca... in the fuelSee 'nuclear fuel'. resulting from nuclear fissionFission of an atomic nucleus into two parts of the same size... are the reason for the high initial radiationEnergy dispersion through matter or space. In atomic physics... intensity and the heat generation of the fuelSee 'nuclear fuel'. after its use in the reactorSystem used to initiate, maintain and control a fission chai.... Heat rate and activityActivity is the term used to characterise the number of nucl... of the irradiated fuelSee 'nuclear fuel'. initially decrease rapidly due to the large share of short-lived radionuclidesThe Radiological Protection Ordinance defines radioactive su.... The activityActivity is the term used to characterise the number of nucl... contained in irradiated fuelSee 'nuclear fuel'. decreases to approx. 1/100 of the original value within one year of removal from the reactorSystem used to initiate, maintain and control a fission chai....