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Ok Re: Quite big disagreement of neutron moderate between MCNP and Geant4 

Forum: Hadronic Processes
Re: None Quite big disagreement of neutron moderate between MCNP and Geant4 (Liyong Zhang)
Date: 11 Jul, 2016
From: Liyong Zhang <Liyong Zhang>

Dear All,

Thank you so much for all the helpful answers. My mistake is I used
 "G4Element* D  = new G4Element("TS_D_of_Heavy_Water", "D", 1., 2.00158*g/mole);"
to define heavy water, which is wrong. 

Now I use 
 G4Isotope* H2 = new G4Isotope("H2", 1, 2);
    G4Element* elD  = new G4Element("TS_D_of_Heavy_Water", "D", 1);
    elD->AddIsotope(H2, 100*perCent);
and it gives me similar results with MCNP

All your enthusiastic discussion are highly appreciated! All the best!

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