|Message: Re: more primary particles than I shot||Not Logged In (login)|
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Hi Iclal, Very likely, this is because more than one step in your (thin) sensitive volume is done by a few particles: in this case your are counting more than one time these tracks. Cheers, Marc Iclal Kerem wrote: >*** Discussion title: Event and Track Management >Email replies to PublicHyperNews@slac.stanford.edu must include: > In-Reply-To: <"/eventtrackmanage/583"@geant4-hn.slac.stanford.edu> > Subject: ...change this to be about your reply. > >Dear All, > >I have a thin layer of so called 'chamber' which is just a box and its >purpose is to report me the information about primary particle. When I >count them in this sensitive volume with the following piece of code > > if(aStep->GetTrack()->GetTrackID() == 1 && > aStep->GetTrack()->GetParentID() == 0) ++primary; > >I'm not getting the number of primaries which I asked. For 100 GeV 1000 >mu- particles with this counting I'm getting 1002. Is there any idea why >it could be possible? > >cheers, Iclal > > >
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