Muon radiative energy loss (in 1.0E06 cm^2/g) in selenium (Se) with Z = 34, A = 78.971(8) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.9704 0.4447 0.3982 1.8133 5. 1.3307 1.1508 0.4251 2.9066 10. 1.6234 1.7010 0.4059 3.7303 20. 1.9241 2.2508 0.3944 4.5693 50. 2.3205 3.0610 0.3826 5.7641 100. 2.6051 3.6080 0.3741 6.5872 200. 2.8683 4.1025 0.3701 7.3408 500. 3.1690 4.5664 0.3700 8.1055 1000. 3.3540 4.8171 0.3759 8.5470 2000. 3.5006 5.0003 0.3853 8.8862 5000. 3.6398 5.1549 0.4025 9.1972 10000. 3.7102 5.2271 0.4196 9.3570 20000. 3.7576 5.2742 0.4396 9.4714 50000. 3.7972 5.3099 0.4708 9.5779 100000. 3.8153 5.3248 0.4974 9.6375