#  fragEnergy          pdf          cdf
      1.33942     0.330911     0.876511
       3.9882   0.00515063     0.890154
      6.63698  0.000600209     0.891744
      9.28577  0.000572293      0.89326
      11.9346  0.000460626      0.89448
      14.5833   0.00068396     0.896292
      17.2321  0.000544376     0.897734
      19.8809   0.00322438     0.906274
      22.5297   0.00549959     0.920841
      25.1785   0.00417355     0.931896
      27.8273   0.00209375     0.937442
       30.476   0.00220542     0.943284
      33.1248   0.00339188     0.952268
      35.7736   0.00382459     0.962399
      38.4224   0.00399209     0.972973
      41.0712   0.00367105     0.982697
        43.72   0.00214959     0.988391
      46.3687   0.00181459     0.993197
      49.0175   0.00128417     0.996599
      51.6663  0.000614168     0.998225
      54.3151  0.000376876     0.999224
      56.9639  0.000139584     0.999593
      59.6127  0.000111667     0.999889
      62.2614  1.39584e-05     0.999926
      64.9102  2.79167e-05            1