Muon radiative energy loss (in 1.0E06 cm^2/g)
   in erbium (Er)
   with Z =  68, A = 167.259(3)
   (f12.0,4f12.4)
     E (GeV)      b_brem      b_pair      b_nucl     b_total
          2.      1.6945      0.5114      0.3705      2.5764
          5.      2.3446      1.8127      0.3957      4.5531
         10.      2.8746      2.8216      0.3879      6.0842
         20.      3.4184      3.7736      0.3691      7.5611
         50.      4.1307      5.2122      0.3585      9.7014
        100.      4.6379      6.1661      0.3511     11.1550
        200.      5.1018      7.0147      0.3476     12.4641
        500.      5.6239      7.7950      0.3477     13.7667
       1000.      5.9394      8.2096      0.3531     14.5022
       2000.      6.1856      8.5090      0.3617     15.0563
       5000.      6.4147      8.7602      0.3773     15.5521
      10000.      6.5285      8.8760      0.3928     15.7973
      20000.      6.6040      8.9519      0.4109     15.9668
      50000.      6.6666      9.0086      0.4390     16.1142
     100000.      6.6945      9.0321      0.4631     16.1897