[Gate-users] What are the radioactive decay data files

[Lana Beck]

Hi Francesca,

The data files are downloaded with Geant4. See here for G4 10.7:
https://geant4.web.cern.ch/support/download

You may have already downloaded them when you installed G4. For example, my data files are in
/usr/local/Cellar/geant4/10.5.1/share/Geant4-10.5.1/data   (on macbook using brew)
so perhaps you can find them in an equivalent path or download them if necessary. I suspect if they are missing, there would be an error message when you try to use it?

Best wishes,
Lana


-------------------
Dr Lana Beck

Research Associate

Particle Physics Group

University of Bristol


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Today's Topics:

   1. What are the radioactive decay data files (Francesca De Benetti)
   2. Re: Mu Map Actor does not save output (Ville-Veikko Wettenhovi)


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Message: 1
Date: Fri, 7 May 2021 14:01:33 +0200
From: Francesca De Benetti <francesca.debenetti at gmail.com>
To: gate-users at lists.opengatecollaboration.org
Subject: [Gate-users] What are the radioactive decay data files
Message-ID: <92490401-0847-4E1D-9525-3647CF60D01B at gmail.com>
Content-Type: text/plain; charset="utf-8"

Dear GATE users,

I am trying to simulate the energy deposition of a point source of Lu177, with user-defined spectrum.
In the GATE wiki website I read that "The download of radioactive decay data files is required.”, but I don’t know where to find them and then how to include them in the simulation. Also, here https://github.com/OpenGATE/GateContrib/tree/06a240b36ca55b9ec00f852df65265109bba4859/dosimetry/dosimetry/protontherapy/mac <https://github.com/OpenGATE/GateContrib/tree/06a240b36ca55b9ec00f852df65265109bba4859/dosimetry/dosimetry/protontherapy/mac> they don’t seem to download/include these radioactive decay data files, event though they actually use the RadioactiveDecay process.
Can please someone explain me what to do to simulate a radioactive decay?

For completeness, I copy here the “Physics” section of my macro:

/gate/physics/addPhysicsList                                                    emlivermore
/gate/physics/addProcess                                                        Compton
/gate/physics/processes/Compton/setModel                        LivermoreModel
/gate/physics/addProcess                                                        RayleighScattering
/gate/physics/processes/RayleighScattering/setModel             LivermoreModel
/gate/physics/addProcess                                                        RadioactiveDecay
/gate/physics/addProcess                                                        HadronElastic
/gate/physics/processes/HadronElastic/setModel                  G4HadronElastic
/gate/physics/processes/HadronElastic/setDataSet                G4HadronElasticDataSet
/gate/physics/processList                                                          Enabled
/gate/physics/processList                                                          Initialized


Thank you for your help!


Best regards,

Francesca
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