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Forum: Educational Applications
Re: Question Modification of extended example Hadr03 (Peter Broere)
Date: 22 May, 2014
From: michel maire <michel maire>

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

      Michel 

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1 Question: Re: Modification of extended example Hadr03   (Peter Broere - 23 May, 2014)
(_ None: Re: Modification of extended example Hadr03   (michel maire - 23 May, 2014)
(_ None: Re: Modification of extended example Hadr03   (Peter Broere - 28 May, 2014)
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