Muon radiative energy loss (in 1.0E06 cm^2/g) in Cellulose acetate butyrate (C%15#H%22#O%8#)%n# with Z/A = 0.53279 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2607 0.1136 0.4715 0.8458 5. 0.3536 0.2811 0.4987 1.1333 10. 0.4305 0.4258 0.4836 1.3400 20. 0.5117 0.5838 0.4613 1.5567 50. 0.6224 0.8058 0.4368 1.8651 100. 0.7055 0.9632 0.4249 2.0935 200. 0.7839 1.1084 0.4188 2.3111 500. 0.8770 1.2582 0.4179 2.5532 1000. 0.9369 1.3503 0.4247 2.7119 2000. 0.9867 1.4152 0.4361 2.8380 5000. 1.0365 1.4726 0.4574 2.9665 10000. 1.0630 1.4997 0.4789 3.0417 20000. 1.0817 1.5168 0.5043 3.1029 50000. 1.0979 1.5303 0.5440 3.1722 100000. 1.1052 1.5358 0.5781 3.2192