RE: [fluka-discuss]: Deposited energy with isotope source

From: Stefan Roesler <>
Date: Wed, 25 Jul 2018 12:08:48 +0000

Dear Agnieszka

Alpha decays are not simulated and, thus, neither is the energy deposition by the alphas


From: <> On Behalf Of Agnieszka Witkowska
Sent: 24 July 2018 22:05
To: FLUKA discussion <>
Subject: Fwd: [fluka-discuss]: Deposited energy with isotope source

Dear Fluka Experts,

Can You please help me with the issue I described below?

Best regards,

---------- Forwarded message ----------
From: Agnieszka Witkowska <<>>
Date: 2018-07-21 23:52 GMT+02:00
Subject: [fluka-discuss]: Deposited energy with isotope source
To: FLUKA discussion <<>>

Dear Fluka Experts,

I am trying to run simple experiment with usage of four radioisotpes: Cs137, Co60, Ra226 and Am241. I am using RADDECAY card and isotope option as a beam. My target is air-filled cylinder and I am using USRBIN card with ENERGY option set up as a particle to score (I want to score deposited energy in cylinder).

My assumption was that for all isotopes I will get quite similar results of energy deposited in cylinder, however this is not what the simulation has shown. For Co60 and Cs137 I got similar results however for Am241 and Ra226 results of the simulations differ a lot.

Can You please advise what might be wrong with my input file? Probably I am missing some significant processes that take place during the simulation or I do not understand how energy deposition is scored with USRBIN. For each simulation I am setting up HI-PROPE card with adequate mass and atomic number.

Best regards,

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Received on Wed Jul 25 2018 - 15:04:54 CEST

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