Muon radiative energy loss (in 1.0E06 cm^2/g) in ytterbium (Yb) with Z = 70, A = 173.054(5) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.7293 0.5006 0.3693 2.5992 5. 2.3938 1.8315 0.3944 4.6197 10. 2.9357 2.8635 0.3867 6.1859 20. 3.4917 3.8347 0.3679 7.6943 50. 4.2198 5.3044 0.3573 9.8815 100. 4.7381 6.2781 0.3500 11.3662 200. 5.2120 7.1438 0.3465 12.7023 500. 5.7450 7.9392 0.3467 14.0309 1000. 6.0668 8.3617 0.3521 14.7806 2000. 6.3177 8.6665 0.3606 15.3448 5000. 6.5511 8.9222 0.3761 15.8494 10000. 6.6669 9.0400 0.3916 16.0985 20000. 6.7438 9.1173 0.4095 16.2706 50000. 6.8074 9.1748 0.4376 16.4198 100000. 6.8358 9.1989 0.4616 16.4962