Dear Fluka experts
I am developing an new beam model tesing model.In such programme we need collect particle transport direcion(fly angle) information.Firstly, we calculated particle position and transport angle in Gate Monte carlo as fig1 shows
Figure1 Gate psf data
After that, we simulate particles transport progress in FLUKA and hoping get particle fly angle using USRBDX or USRYield scoring module.However, the output is strange.Specifically speaking, all particles scattering angle is 0 after they passing through 10mm Al material as fig2 shows.(we put the scorer at the boundary of range shifter and scoirng volume)
Am i set the wrong scorer or there is some misunderstanding when i using those two angle scorer? Please let me know if you need any extra information.Thank you so much for your kind help.