|Message: Re: Thermal neutron scattering issue in Hadr04||Not Logged In (login)|
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On Tue, 04 Feb 2014 11:33:43 GMT, bbv_nsk wrote:
> Dear Colleagues, we have some problems with using of the thermal neutron > scattering models. > > We are considering the project Hadr04 and we introduced following > changes in it: > > 1. We removed Oxygen from the water. Now it consists of only Hydrogen > ("TS_H_of_Water"). > > 2. We changed the Hadr04.cc. Now it runs vis1.mac without any dialogs. > > 3. We changed the PrimaryGeneratorAction.cc in order to set the initial > energy of emitted neutron to 4 eV. > > Now we expect to see how the S(a,b) model works. But unfortunately we > don't see any single scattering process. The neutron either is > immediately captured by the atoms or it leaves the mother volume. The > output file shows the results of such experiment. > > It seems we wrongly activated the thermal scattering process. But we > have no idea how to make it right. Can anybody help us with this issue? >
There is a problem with G4NDL4.4 Not with the data set, but in the code to read it. You have 2 alternatives: - wait for Geant4.10 correction patch 1, to be release very soon - still use G4NDL4.2, but do not forget to download thermal scattering part: G4NDL4.2.TS
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