Parameters of the Fission Fragment Mass, Kinetic Energy, Total Kinetic Energy and Charge Distributions

Table 1: Parameters for primary fission fragment mass A, post-neutron fragment energy E and post-neutron total kinetic energy (TKE) distribution from the work of J. van Aarle et al. [Aar94]

parameter	experimental value
	$108.9 \pm 0.5 (amu)$
	$143.1 \pm 0.5 (amu)$
$\sigma (A_L)$	$7.6 \pm 0.1 (amu)$
$\sigma (A_H)$	$7.6 \pm 0.1 (amu)$

	$103.5 \pm 0.5 (MeV)$
	$78.3 \pm 0.5 (MeV)$
	$181.8 \pm 0.7 (MeV)$
$\sigma <E_L>$	$5.8 \pm 0.1 (MeV)$
$\sigma <E_H>$	$8.5 \pm 0.1 (MeV)$
$\sigma <TKE>$	$12.9 \pm 0.1 (MeV)$

Table 2: Average neutron to proton ratio

for postneutron light (L) and heavy (H) fission fragments ([Dur89], calculated mass to proton ratios

for light (L) and heavy (H) fragments and the average of the mass-width/charge-width ratio $\sigma (A) / \sigma (Z)$ determined for different fissioning actinides ([Goe93]).

parameter	experimental value
-ratio	1.50
-ratio	1.56
N/Z-ratio of $^{252}_{ 98}$ Cf	1.57

-ratio	2.50
-ratio	2.56
A/Z-ratio of $^{252}_{ 98}$ Cf	2.57

average $\sigma (A) / \sigma (Z)$	2.76