Muon radiative energy loss (in 1.0E06 cm^2/g) in Plutonium with Z = 94, A = [244.06420(4)] (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 2.1316 0.2707 0.3572 2.7595 5. 2.9643 1.9434 0.3812 5.2888 10. 3.6451 3.2452 0.3738 7.2641 20. 4.3439 4.4359 0.3606 9.1404 50. 5.2573 6.2655 0.3459 11.8687 100. 5.9055 7.4691 0.3390 13.7135 200. 6.4954 8.5320 0.3358 15.3633 500. 7.1548 9.5020 0.3360 16.9929 1000. 7.5500 10.0139 0.3412 17.9051 2000. 7.8559 10.3818 0.3494 18.5871 5000. 8.1383 10.6887 0.3642 19.1912 10000. 8.2773 10.8300 0.3790 19.4863 20000. 8.3690 10.9222 0.3962 19.6874 50000. 8.4509 10.9904 0.4230 19.8643 100000. 8.4780 11.0189 0.4460 19.9430