Muon radiative energy loss (in 1.0E06 cm^2/g) in yttrium bromide (YBr%3#) with Z/A = 0.43820 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.0444 0.4712 0.3966 1.9122 5. 1.4327 1.2332 0.4236 3.0896 10. 1.7481 1.8264 0.4044 3.9789 20. 2.0719 2.4166 0.3974 4.8859 50. 2.4985 3.2876 0.3815 6.1676 100. 2.8046 3.8747 0.3730 7.0523 200. 3.0872 4.4049 0.3690 7.8611 500. 3.4098 4.9012 0.3690 8.6799 1000. 3.6079 5.1689 0.3747 9.1516 2000. 3.7647 5.3644 0.3841 9.5133 5000. 3.9134 5.5292 0.4012 9.8438 10000. 3.9884 5.6062 0.4183 10.0129 20000. 4.0388 5.6563 0.4382 10.1334 50000. 4.0810 5.6944 0.4692 10.2445 100000. 4.1002 5.7103 0.4956 10.3061