*********************************************************************************************************
* G4Track Information:   Particle = gamma,   Track ID = 1,   Parent ID = 0
*********************************************************************************************************

Step#    X(mm)    Y(mm)    Z(mm) KinE(MeV)  dE(MeV) StepLeng TrackLeng  NextVolume ProcName
    0        0        0    -17.5      0.07        0        0         0    Envelope initStep
    1        0        0    -16.5      0.07        0        1         1       Foil1 Transportation
    2        0        0    -16.5         0   0.0697  0.00309         1       Foil1 phot

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 2,   Parent ID = 1
*********************************************************************************************************

Step#    X(mm)    Y(mm)    Z(mm) KinE(MeV)  dE(MeV) StepLeng TrackLeng  NextVolume ProcName
    0        0        0    -16.5  0.000311        0        0         0       Foil1 initStep
    1 1.19e-06  4.3e-07    -16.5         0 0.000311 4.94e-06  4.94e-06       Foil1 eIoni