b(E) × 10^{6} [cm^{2}g^{−1}] for

erbium (Er), Z = 68, A =167.259(3)

E [GeV] b_{brems} b_{pair}  b_{nucl}  b_{tot}
2. 1.6945 0.5114 0.3705 2.5764
5. 2.3446 1.8127 0.3957 4.5530
10. 2.8746 2.8216 0.3879 6.0842
20. 3.4184 3.7736 0.3691 7.5610
50. 4.1307 5.2122 0.3585 9.7013
100. 4.6379 6.1660 0.3511 11.1549
200. 5.1018 7.0147 0.3476 12.4640
500. 5.6239 7.7949 0.3477 13.7666
1000. 5.9394 8.2096 0.3531 14.5021
2000. 6.1855 8.5092 0.3617 15.0564
5000. 6.4147 8.7601 0.3773 15.5520
10000. 6.5284 8.8762 0.3928 15.7974
20000. 6.6040 8.9519 0.4109 15.9667
50000. 6.6666 9.0085 0.4390 16.1141
100000. 6.6945 9.0320 0.4631 16.1896