Muon radiative energy loss (in 1.0E06 cm^2/g) in californium (Cf) with Z = 98, A = [251.07959(3)] (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 2.2451 0.2203 0.3562 2.8216 5. 3.1231 1.9825 0.3802 5.4858 10. 3.8411 3.3551 0.3728 7.5690 20. 4.5780 4.6052 0.3597 9.5429 50. 5.5408 6.5308 0.3450 12.4166 100. 6.2236 7.7963 0.3381 14.3581 200. 6.8447 8.9130 0.3349 16.0926 500. 7.5382 9.9310 0.3351 17.8044 1000. 7.9534 10.4677 0.3403 18.7614 2000. 8.2745 10.8533 0.3484 19.4762 5000. 8.5705 11.1747 0.3632 20.1085 10000. 8.7161 11.3225 0.3780 20.4166 20000. 8.8121 11.4191 0.3951 20.6263 50000. 8.8978 11.4904 0.4218 20.8100 100000. 8.9261 11.5201 0.4448 20.8909