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

15.0    44.0  20.0  10.00  4.50  2.10  1.10  0.93   1.10  2.00  3.00  4.20  5.20  6.40  8.10   
20.0    40.0  20.0  11.00  3.80  1.90  1.50  2.10   3.60  3.60  4.00  4.30  4.70  5.40  6.00 
30.0    30.0  11.0   4.10  1.20  0.30  0.41  0.75   1.10  1.10  0.81  0.52  0.40  0.74  0.85 
50.0    13.0   2.8   0.84  0.31  0.09  0.11  0.23   0.31  0.25  0.26  0.18  0.12  0.13  0.14 

cross sections in unit of 10-19 cm2/sr