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On Wed, 21 May 2014 14:13:06 GMT, Peter Broere wrote:
> Hi, I'm still quite new to GEANT4 and in need of some help, since I need > to use it for my master thesis project. I am currently having a look at > one of the extended examples, namely "hadronic/Hadr03". I am trying to > modify it to suit the needs of my thesis, and so far i have modified the > detectors and materials/particles involved to the ones used for the > processes I am interested in. I have successfully compiled and run the > application. Now here enters my problem. I would like to investigate the > angular distributions of secondary particles generated through pick up > of protons in the beam particles (simulating an ion beam experiment in > inverse kinematics, i.e. using certain ions as incoming particles > passing through a hydrogen target). However, it appears as though no > secondary particles are tracked, since I do not see any entries in the > "Energy of recoil nuclei" when analysing the output root tree, nor do I > see any lines representing secondary particles when visualising the > events. So my question is basically; is there anyone who has knowledge > wether or not secondary particles are tracked, and if not, how do I fix > it in an easy way? > > I am using DAWN for visualisation. > > Thanks in advance, Peter >
In Readme, it is said "An event is killed at the first interaction of the incident paticle" See end of steppingAction. If you want to visualize a full event, remove this line; but the informations printed at end of run become meaningless. Recoil nuclei is for elastic reactions, if any. For others reactions, it is histogram 8
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