|Message: A scintillator sensitive to both neurons and gammas||Not Logged In (login)|
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I am trying to simulate a scintillator sensitive to both gammas and thermal neutrons.
1). I succesfully simulated NaI with scintillation (not sensitive to neutrons). I wrote a custom made Physics List that includes low energy EM interactions for e+, e-, and gammas, as well as all the optical physics for scintillation photons. To get this to run I have 2 lines in my main program: myDet.cc: #include "myDetPhysicsList.hh", and runManager->SetUserInitialization(new myDetPhysicsList);
2). I have another program which simulates the interactions of thermal neutrons in He3 gas (does NOT scintillate): For this I remove the files src/myDetPhysicsList.cc and src/myDetPhysiscsList.hh, and instead use a physics list provided by GEANT4: QGSP_BIC_HP. So, I replace the 2 lines above in myDet.cc by: #include "QGSP_BIC_HP.hh", and runManager->SetUserInitializetion(new QGSP_BIC_HP);
3). Now, I want to write a 3rd simulation program where I have a scintillator on which I can throw either a gamma or a thermal neutron. The problem is: the best hadron physics list for thermal neutrons is QGSP_BIC_HP, which DOES NOT have scintillation. My custom made Physics List has scintillation BUT does NOT have hadron interactions.
I tried to write my own custom made hadron physics with no success (I could never get the neutrons to react). So , I REALLY want to use QGSP_BIC_HP. BUT, I also want scintillation and optical photon physics.
MY QUESTION: How can I have both? I.e. how can I use QGSP_BIC_HP physics list AND add the physics for optical photons?
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