RE:[fluka-discuss]: Summation peak effect in FLUKA

From: Trinh Ngoc-Duy <>
Date: Sat, 24 Oct 2015 15:38:19 +0000

Dear Sir,

Thanks you for your answer.

In fact, i have already know how to simulate radioactive decay in FLUKA.

But for my case (simulation of Gamma detector (energy deposited in a detector for each gamma ray entered the detector)), so i just want to know how to score the energy deposition of each particle in a detector ?

Otherwise, for a gamma detector, there are a possibility of more than one gamma from decay go into detector at the same time and deposited it's energy. We can not difference it, so we obtain the energy pic = sum of all of theses gammas energies (summation effect). Hence, i would like to know if FLUKA can simulate this phenomena ?


Ngoc Duy TRINH, GANIL, Frace
De : Francesco Cerutti []
Envoyé : samedi 24 octobre 2015 17:05
À : Trinh Ngoc-Duy
Cc :
Objet : Re: [fluka-discuss]: Summation peak effect in FLUKA

Dear Ngoc-Duy,

I'm not sure I fully understood your needs.

With FLUKA you can activate radionuclide decay by RADDECAY (and associated
cards, see the manual) and score the 'true' spectrum of decay gammas
entering [or travelling over] a detector region (by USRBDX/USRYIELD [or
USRTRACK] linked to DCYSCORE), either at a given cooling time in case
radionuclides are produced in a prompt irradiation stage (WHAT(1)=1.0 in
RADDECAY) or time-integrated in case of a radioactive source
(semi-analogue mode i.e. WHAT(1)>1.0). In the first case you can also get
the radionuclide activities (by RESNUCLE as well as USRBIN).



Francesco Cerutti
CH-1211 Geneva 23
tel. ++41 22 7678962
fax ++41 22 7668854

On Thu, 22 Oct 2015, Trinh Ngoc-Duy wrote:

> Dear FLUKA experts,
> Do you know if FLUKA is able to simulate Summation peak effect in gamma spectroscopy ?
> If yes, could you told me how to do to active/use this option.
> Thanks in advance for your answer.
> Sincerely,
> Ngoc Duy TRINH, GANIL, France

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Received on Sat Oct 24 2015 - 18:45:21 CEST

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