Muon radiative energy loss (in 1.0E06 cm^2/g) in Gold with Z = 79, A = 196.966569(4) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.9085 0.4407 0.3647 2.7139 5. 2.6463 1.9203 0.3894 4.9560 10. 3.2485 3.0689 0.3818 6.6992 20. 3.8663 4.1375 0.3635 8.3674 50. 4.6747 5.7643 0.3531 10.7921 100. 5.2494 6.8389 0.3459 12.4342 200. 5.7739 7.7916 0.3425 13.9080 500. 6.3622 8.6644 0.3427 15.3693 1000. 6.7164 9.1267 0.3480 16.1911 2000. 6.9917 9.4600 0.3564 16.8081 5000. 7.2469 9.7386 0.3716 17.3571 10000. 7.3732 9.8672 0.3868 17.6271 20000. 7.4568 9.9510 0.4045 17.8123 50000. 7.5259 10.0134 0.4321 17.9713 100000. 7.5565 10.0394 0.4557 18.0516