#    fragMass          pdf          cdf
      0.86664     0.489845      0.83451
      2.57026    0.0342247     0.892816
      4.27389   0.00240896      0.89692
      5.97751   0.00158427     0.899619
      7.68113   0.00167108     0.902466
      9.38475   0.00123704     0.904574
      11.0884    0.0126091     0.926055
       12.792            0     0.926055
      14.4956            0     0.926055
      16.1992            0     0.926055
      17.9029            0     0.926055
      19.6065            0     0.926055
      21.3101            0     0.926055
      23.0137            0     0.926055
      24.7174            0     0.926055
       26.421            0     0.926055
      28.1246            0     0.926055
      29.8282            0     0.926055
      31.5319            0     0.926055
      33.2355            0     0.926055
      34.9391    0.0217024     0.963027
      36.6427            0     0.963027
      38.3463  0.000217024     0.963397
        40.05   0.00368941     0.969682
      41.7536     0.017796            1