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Question NeutronHP and Oxygen-16 

Forum: Installation and Configuration
Date: 14 Apr, 2009
From: Cristian Bungau <Cristian Bungau>


I am trying to simulate neutron propagation in water. Obviously the hydrogen is the most important element to get it right, however there is an issue with the oxygen definition. If I define the oxygen as an element

   a= 16.00*g/mole;
   G4Element* O  = new G4Element("Oxygen"  ,symbol="O" , z= 8., a);

I get the warning that the cross-section data is not found in G4NDL3.13 for the element 8-O-18 (why 18, since I defined the Oxygen element with A=16 ?) and that the program will use the data for 8-O-17 instead.

Now both 8-O-16 and 8-O-17 cross-section data are included in G4NDL3.13, so why can't it use the O-16 data?



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1 Idea: Re: NeutronHP and Oxygen-16   (Vladimir Ivanchenko - 18 Sep, 2009)
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