One isotope didn't work?

Source Definition
1

Hello experts! There doesn’t seem to be any CO-60 in the spectrum, right?why?
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NaI-muenergy.inp (2.6 KB)

2

When I change the particle to BA-133, it doesn’t work either. But just Co60, it works

3

Dear @fengfengxu,

you can only get one isotope if you are using the preprocessors, see explanation from slide 24 in the lecture:

Cheers,
David

4

Hello, Mr. David, the post I refer to is “Multiple isotope source in a single input”(Multiple isotope source in a single input).
Sir, I’m sorry, but I didn’t understand the notes.That means that isotopes can only be set one at a time?

In fact, the energy spectrum shows two isotopes(Na22 Cs137), except for Co60

5

Dear @fengfengxu,

it means that only one isotope can be simulated at a time. The isotope is selected based on which #define card is active. See slide 21:

The spectrum you are getting is coming only from Na-22. You can verify this using an USRBDX card scoring PHOTONS from VOID to TARGET3. It will show only one energy at ~ 1275 keV.

Cheers,
David

6

Thanks to you, Mr. David, I have learned many new methods!