Muon radiative energy loss (in 1.0E06 cm^2/g) in lanthanum (La) with Z = 57, A = 138.90547(7) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.4621 0.5341 0.3772 2.3734 5. 2.0183 1.6437 0.4029 4.0649 10. 2.4713 2.5036 0.3949 5.3698 20. 2.9361 3.3280 0.3754 6.6395 50. 3.5458 4.5643 0.3645 8.4746 100. 3.9808 5.3877 0.3569 9.7254 200. 4.3798 6.1232 0.3532 10.8563 500. 4.8307 6.8027 0.3534 11.9867 1000. 5.1043 7.1651 0.3589 12.6283 2000. 5.3187 7.4277 0.3676 13.1140 5000. 5.5192 7.6482 0.3836 13.5511 10000. 5.6192 7.7503 0.3995 13.7691 20000. 5.6859 7.8171 0.4181 13.9211 50000. 5.7413 7.8672 0.4469 14.0554 100000. 5.7661 7.8880 0.4716 14.1257