How to obtain the total energy of all particles passing through a certain section?

Dear experts,
I am trying to use some materials to shield electrons, and I want to obtain the transmitted energy, in other words the total energy of all particles passing through the end section of the material. I once used to add another target after my shielding material and get the energy deposition within the target, but later I realized that it might differ from the transmitted energy. So what’s the correct method to achieve my aim?
Thanks.
Parry.

Dear @15103588327,

Thank you for your question. Your approach of adding a layer behind your target can work. I suggest you have a look at the card USRBDX. It provides the fluence of particles between two regions as a function of the kinetic energy.

Please let me know if this is helpful and feel free to share the input file so that I can have a better insight into your case.

Best regards,

Mario

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