Gamma Decay Heat Distribution in Core: A Known Issue Revisited

Table 2

Properties of photon groups.

Time after fission (s)	100			10000
Group	(Mev/s fission)	Disintegr./s	% or probability	(Mev/s fission)	Disintegr./s	% or probability
I	6e-5	1.5e-4	8	2e-6	5e-6	19
II	2.4e-4	3e-4	16	1e-5	2.25e-5	48
III	1.2e-3	9.2e-4	49	2.5e-6	1.9e-6	7
IV	4.2e-4	2.5e-4	13.4	6e-6	3.5e-6	13
V	6e-5	2.7e-5	1.45	3.5e-6	1.6e-6	6
VI	2e-4	8e-5	4.3	3.5e-6	1.4e-6	5.4
VII	4.2e-4	1.5e-4	8	5e-7	1.8e-7	.7