Muon radiative energy loss (in 1.0E06 cm^2/g) in Cesium with Z = 55, A = 132.9054519(2) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.4293 0.5368 0.3788 2.3449 5. 1.9720 1.6180 0.4046 3.9946 10. 2.4137 2.4561 0.3965 5.2664 20. 2.8670 3.2619 0.3769 6.5059 50. 3.4618 4.4688 0.3660 8.2966 100. 3.8864 5.2733 0.3583 9.5179 200. 4.2760 5.9925 0.3546 10.6231 500. 4.7166 6.6576 0.3547 11.7288 1000. 4.9842 7.0127 0.3603 12.3571 2000. 5.1940 7.2702 0.3690 12.8333 5000. 5.3905 7.4863 0.3851 13.2619 10000. 5.4886 7.5866 0.4011 13.4764 20000. 5.5541 7.6521 0.4198 13.6259 50000. 5.6084 7.7010 0.4488 13.7582 100000. 5.6328 7.7216 0.4736 13.8281