Muon radiative energy loss (in 1.0E06 cm^2/g) in copper (Cu) with Z = 29, A = 63.546(3) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.8970 0.4186 0.4064 1.7220 5. 1.2268 1.0596 0.4152 2.7017 10. 1.4946 1.5610 0.4243 3.4799 20. 1.7697 2.0677 0.4079 4.2454 50. 2.1331 2.8111 0.3896 5.3338 100. 2.3945 3.3151 0.3807 6.0903 200. 2.6368 3.7725 0.3764 6.7857 500. 2.9147 4.2040 0.3763 7.4949 1000. 3.0862 4.4381 0.3822 7.9065 2000. 3.2227 4.6097 0.3919 8.2243 5000. 3.3529 4.7547 0.4095 8.5171 10000. 3.4190 4.8226 0.4272 8.6687 20000. 3.4637 4.8668 0.4478 8.7782 50000. 3.5011 4.9004 0.4799 8.8813 100000. 3.5182 4.9145 0.5073 8.9399