Activity in different cylindrical sources

Hi,
I’m simulating different situations on the decay of a cylindrical source of iodine that have the same activity inside. I have a doubt so, by increasing the volume of the source, I have to make some corrections to ensure that the activity of Iodine is the same when measuring the dose with USRBIN?

Dear Andrea,

Suppose you are using the RADDECAY card’s Semi-Analogue mode to simulate the decay of the iodine nuclide. In that case, the FLUKA results will be normalized to a single decay regardless of the size of the cylindrical source.

Cheers,
David

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