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Forum: Geometry
Re: None Adding element volume percentage in material definition (Davinder Siwal)
Date: 04 Feb, 2011
From: michel maire <michel maire>

On Fri, 04 Feb 2011 07:12:59 GMT, Davinder Siwal wrote:
> Hiii Geant4 Users
> 
> I have a scintillator material BC501 in which it has given that hydrogen
> content is 5.25X10E22 per cubic centimeter and carbon content is
> 4.08X10E22 per cubic centimeter which menas H is 78% by volume and C is
> 22% by volume so i define the metarial as
> 
> G4Material* Scinti = new G4Material("BC501", density=0.901*g/cm3,nel=2);
>   Scinti->AddElement(C, 78*perCent);
>   Scinti->AddElement(H, 22*perCent);
> 
> can any body tell me that my Material definition is correct or not.
> 
> thanks in advance
> 

 The material construction is done by mass ratio, not by volume.
 See also the attached file, slide 13.

        Michel

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2011/02/04/03.36-88761-materials.pdf

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1 None: Re: Adding element volume percentage in material definition   (Davinder Siwal - 04 Feb, 2011)
(_ None: Re: Adding element volume percentage in material definition   (michel maire - 06 Feb, 2011)
(_ None: Re: Adding element volume percentage in material definition   (Davinder Siwal - 06 Feb, 2011)
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