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Idea Re: Physics List for n+diamond reactions 

Forum: Physics List
Re: Question Physics List for n+diamond reactions (Francesca)
Date: 15 Aug, 2016
From: Vladimir Ivanchenko <Vladimir Ivanchenko>

Hello,

For your energies we do not have many choices. for hadronic part you can try out the Binary cascade:
    QGSP_BIC, QBBC

An alternative may be HP (or PHP after 10.2):
    QGSP_BIC_HP
note, that HP models results depend on HP environment variables. In this forum there are comments from the experts, in which they explain how to enable full gamma cascade of nuclear de-excitation

The Bertini cascade is less accurate at low energies:
    FTFP_BERT,....   

For EM physics there are practically equivalent variants: Option3, Option4, Livermore and Penelope, to enable one of such variants you may use PhysList names:

QGSP_BIC_EMY, QGSP_BIC_EMZ, QGSP_BIC_LIV, QGSP_BIC_PEN

These names can be used if you instantiate Physics List via G4PhysListFactory (see for example, $G4INSTALL/examples/extended/hadronic/Hadr00)

I would not recommend copy/paste but use reference PhysLIsts from Geant4 distribution or , at least, physics constructors.

VI

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