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On Mon, 05 May 2014 20:08:19 GMT, Mahdi wrote:
> Dear all; I have such a same problem. I want to simulate energy spectrum > of X and UV rays that generated via atomic deexcitation caused by an > alpha particle source interaction with air or any other materials. I > want this spectrum in world region. the spatial distribution is not > important to me.It is some thing like f8:p tally in MCNP/X. > > for this problem can I use the example Testem4 or RE03 ? > > I used TestEm4 example and modified its physics list to consider alpha > particle. Now I have a histogram of energy spectrum but I cant filter > this spectrum to be just for gamma particle not electrons and etc...
In steppingAction, you can do G4ParticleDefinition* particle = aStep->GetTrack()->GetGefinition(); if (particle == G4Gamma::Gamma()) fEventAction->addEdep(EdepStep);
But you will be surprised by the result.