Muon radiative energy loss (in 1.0E06 cm^2/g) in dysprosium (Dy) with Z = 66, A = 162.500(1) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.6481 0.5176 0.3715 2.5373 5. 2.2796 1.7812 0.3968 4.4576 10. 2.7944 2.7607 0.3890 5.9441 20. 3.3225 3.6875 0.3701 7.3800 50. 4.0145 5.0861 0.3594 9.4600 100. 4.5074 6.0142 0.3520 10.8735 200. 4.9584 6.8404 0.3484 12.1472 500. 5.4664 7.6007 0.3486 13.4157 1000. 5.7736 8.0049 0.3540 14.1326 2000. 6.0134 8.2972 0.3626 14.6733 5000. 6.2369 8.5420 0.3783 15.1571 10000. 6.3479 8.6553 0.3939 15.3971 20000. 6.4217 8.7293 0.4120 15.5630 50000. 6.4828 8.7845 0.4403 15.7075 100000. 6.5101 8.8075 0.4644 15.7820