Hello to all,
I am trying to study the LET a proton beam in an optical fibre.
To do so i am trying to use the USRYIELD card but the simulation only gives me a result of zero in all bins.
I’ve tried to look at other examples of the USRYIELD card but I can’t find what is wrong with my simulation…
comparisson.inp (1.6 KB)
I would be grateful if you could help.
Thank you.
Kind Regards 
Duarte
Dear Duarte,
I had a look at your simulation and it seems like you are not launching your proton beam inside your fiber, was that on purpose?
With you geometry, by increasing the upper-limit on your scoring interval I do obtain a tab_list non empty.
You can find most of the information on how to use the USRYIELD, which is indeed not a trivial card to use here (page 49):
A lot is also available in the manual.
Best regards,
J.Baptiste