b(E) × 10^{6} [cm^{2}g^{−1}] for

niobium (Nb), Z = 41, A =92.90637(2)

E [GeV] b_{brems} b_{pair}  b_{nucl}  b_{tot}
2. 1.1792 0.5132 0.3920 2.0844
5. 1.6197 1.3813 0.4189 3.4199
10. 1.9775 2.0558 0.4000 4.4333
20. 2.3448 2.7202 0.3890 5.4540
50. 2.8279 3.7049 0.3777 6.9104
100. 3.1739 4.3663 0.3694 7.9096
200. 3.4928 4.9617 0.3654 8.8200
500. 3.8558 5.5169 0.3654 9.7381
1000. 4.0779 5.8155 0.3712 10.2646
2000. 4.2533 6.0331 0.3803 10.6667
5000. 4.4188 6.2162 0.3971 11.0322
10000. 4.5021 6.3016 0.4140 11.2177
20000. 4.5580 6.3572 0.4335 11.3488
50000. 4.6046 6.3994 0.4640 11.4680
100000. 4.6258 6.4170 0.4900 11.5327