Muon radiative energy loss (in 1.0E06 cm^2/g) in Gallium arsenide (GaAs) with Z/A = 0.44247 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.9479 0.4377 0.4014 1.7870 5. 1.2984 1.1223 0.4286 2.8494 10. 1.5831 1.6566 0.4140 3.6536 20. 1.8755 2.1928 0.4034 4.4716 50. 2.2613 2.9815 0.3855 5.6282 100. 2.5384 3.5148 0.3768 6.4300 200. 2.7949 3.9977 0.3726 7.1653 500. 3.0885 4.4516 0.3726 7.9126 1000. 3.2692 4.6973 0.3785 8.3449 2000. 3.4128 4.8769 0.3880 8.6777 5000. 3.5492 5.0286 0.4053 8.9831 10000. 3.6183 5.0996 0.4227 9.1406 20000. 3.6650 5.1458 0.4429 9.2536 50000. 3.7039 5.1809 0.4744 9.3593 100000. 3.7217 5.1955 0.5014 9.4187