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Forum: Geometry
Re: Question Mean Excitation Energy definition? (Ricardo Peterson)
Date: 19 Aug, 2016
From: michel maire <michel maire>

On Fri, 19 Aug 2016 15:56:15 GMT, Ricardo Peterson wrote:
> Hello All,
> Is it possible to manually define the Mean Excitation Energy of a
> material? I'm referring to the "I(eV)" column in the Geant4 Material
> Database. I'm defining a new material that is not listed in this
> database, and I wish to enter "I" manually... Presumably G4 resorts to
> analytical approximations, but for my case I'm not sure if this
> approximation is reliable.
   Below, the definition of water in example electromagnetic/TestEm1 :

    G4Material* H2O = 
  new G4Material("Water", density= 1.000*g/cm3, ncomponents=2);
  H2O->AddElement(H, natoms=2);
  H2O->AddElement(O, natoms=1);

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1 Idea: Re: Mean Excitation Energy definition?   (Vladimir Ivanchenko - 20 Aug, 2016)
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