#  fragEnergy          pdf          cdf
      1.43007     0.168782     0.479977
      4.27383    0.0689447     0.676039
      7.11759    0.0073052     0.696813
      9.96135   0.00363793     0.707158
      12.8051   0.00296315     0.715585
      15.6489   0.00337389     0.725179
      18.4926    0.0143757      0.76606
      21.3364     0.028458     0.846988
      24.1801    0.0158133     0.891957
      27.0239   0.00528087     0.906975
      29.8677   0.00278712     0.914901
      32.7114   0.00170161      0.91974
      35.5552   0.00205367      0.92558
      38.3989   0.00431271     0.937844
      41.2427   0.00595565     0.954781
      44.0865   0.00551557     0.970466
      46.9302   0.00428337     0.982646
       49.774   0.00281646     0.990656
      52.6177   0.00158426     0.995161
      55.4615   0.00105617     0.998165
      58.3053  0.000381396     0.999249
       61.149  0.000146691     0.999666
      63.9928  5.86763e-05     0.999833
      66.8365  2.93382e-05     0.999917
      69.6803  2.93382e-05            1