How to define the proton intensity?

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1

Dear experts,
I want to know how to define the proton intensity in FLUKA?

2

Dear @Junjie_Zhang,

Fluka results for prompt quantities are given per primary particle. The “beam intensity” can be represented as a normalization factor that you apply to your results.
E.g. if the result of whichever quantity you want to estimate is X, it means that 1 primary particles gives you x; if you have let say 10^{10} primaries per bunch, then the results for a bunch would be 10^{10} x.

Instead, if you interested in an activation problem, the beam intensity is relevant and needs to be specified in the IRRPROFI card. For the details, have a look at: