b(E) × 10^{6} [cm^{2}g^{−1}] for

thorium (Th), Z = 90, A =[232.0377(4)]

E [GeV] b_{brems} b_{pair}  b_{nucl}  b_{tot}
2. 2.0665 0.3212 0.3589 2.7466
5. 2.8718 1.9386 0.3831 5.1934
10. 3.5299 3.1965 0.3757 7.1020
20. 4.2054 4.3520 0.3624 8.9197
50. 5.0885 6.1232 0.3476 11.5593
100. 5.7156 7.2895 0.3406 13.3457
200. 6.2866 8.3206 0.3374 14.9446
500. 6.9255 9.2624 0.3376 16.5255
1000. 7.3088 9.7599 0.3428 17.4114
2000. 7.6058 10.1177 0.3510 18.0745
5000. 7.8802 10.4164 0.3660 18.6626
10000. 8.0155 10.5539 0.3809 18.9503
20000. 8.1049 10.6437 0.3982 19.1467
50000. 8.1786 10.7101 0.4252 19.3139
100000. 8.2112 10.7378 0.4483 19.3972