b(E) × 10^{6} [cm^{2}g^{−1}] for

iodine (I), Z = 53, A =126.90447(3)

E [GeV] b_{brems} b_{pair}  b_{nucl}  b_{tot}
2. 1.3967 0.5383 0.3805 2.3155
5. 1.9259 1.5913 0.4065 3.9236
10. 2.3565 2.4075 0.3983 5.1623
20. 2.7984 3.1949 0.3785 6.3718
50. 3.3783 4.3724 0.3675 8.1183
100. 3.7925 5.1581 0.3597 9.3103
200. 4.1727 5.8612 0.3560 10.3899
500. 4.6031 6.5118 0.3561 11.4710
1000. 4.8647 6.8596 0.3617 12.0860
2000. 5.0701 7.1119 0.3705 12.5525
5000. 5.2625 7.3238 0.3867 12.9730
10000. 5.3587 7.4222 0.4028 13.1837
20000. 5.4229 7.4864 0.4216 13.3309
50000. 5.4763 7.5346 0.4508 13.4616
100000. 5.5003 7.5546 0.4757 13.5306