 ww_simple_cart weight window
       ----From---- -----To----- --No. Bins--
 I -->    -15.0         15.0          2      
 J -->    -15.0         16.0          3      
 K -->    -15.0         20.0          1      

 Cartesian coordinates, 6 voxels.

 The weight window contains 1 particle/s

 ---------------------Neutron----------------------
 Energy bins:         [100.0]
 Min value:           8.98E-02
 Max value:           6.73E-01
 No.Bins > 0 [%]:     100.0%
 Average ratio:       5.97E+00
 Max ratio:           6.74E+00