OXYGEN    12    24    36    48    60    72    84    96   108   120   132   144   156    168 

 5.0     8.2   6.4   5.0   3.0   2.7   2.9   2.0   1.9   1.4   1.9   2.1   2.4   2.9    3.3 
 7.0    19.0  15.0  12.0   8.0   7.8   7.9   6.3   5.8   7.7   7.4   9.9  12.0  14.0   16.0 
10.0    22.0  18.0  14.0  13.0  11.0  10.0  11.0  12.0  12.0  13.0  13.0  16.0  19.0   22.0 
15.0     3.7   2.4   1.6   1.3   1.3   0.9   0.7   0.7   0.9   1.2   1.3   1.3   1.6    1.7   

cross sections in unit of 10-19 cm2/sr