Muon radiative energy loss (in 1.0E06 cm^2/g) in Potassium iodide (KI) with Z/A = 0.43373 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.2226 0.4846 0.3910 2.0982 5. 1.6831 1.3961 0.4175 3.4966 10. 2.0577 2.1045 0.4087 4.5709 20. 2.4424 2.7951 0.3893 5.6268 50. 2.9478 3.8218 0.3762 7.1459 100. 3.3095 4.5096 0.3679 8.1871 200. 3.6422 5.1274 0.3640 9.1336 500. 4.0199 5.7016 0.3640 10.0854 1000. 4.2502 6.0097 0.3697 10.6296 2000. 4.4317 6.2337 0.3788 11.0442 5000. 4.6023 6.4222 0.3956 11.4201 10000. 4.6879 6.5099 0.4124 11.6102 20000. 4.7456 6.5670 0.4319 11.7445 50000. 4.7930 6.6101 0.4623 11.8653 100000. 4.8146 6.6279 0.4882 11.9308