[Gate-users] Materials in Gate

[Hermann Fuchs]

Hello

the numbers are mass fractions as opposed to volume fractions.
Perhaps this explains your differences.

Best regards,
Hermann
Am 27.03.2014 17:16, schrieb Estelle Hilaire:
> Dear Gate users,
>
> I'm wondering how the ratios are calculated in the file 
> "GateMaterials.db" (cf. attached file). Because for example for "Air", 
> it is supposed to be 78.084% of nitrogen, 20.946% of oxygen, 0.934% of 
> argon etc. But in the file, the values stored does not match with 
> these ones. So either there is a mistake or an other calculation, 
> which make me wonder if the ratios for the material I want to use 
> (LYSO) are correct, and if so how are they calculated.
>
> Thank you for your help,
>
> Estelle Hilaire
>
>
>
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