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None Shooting C12 ions on Polyetylene 

Forum: Hadronic Processes
Date: 24 Nov, 2010
From: <HadronTherapy_Aachen>

Dear all,

I'm from Aachen and we are simulating our detector setup for some TOF and energy measurements in Geant4 in order to compare results from the simulation with the ones coming from our experiment.
Some weeks ago I switched (from shooting primary protons) to C12 ions on Polyetylene. 
We use the material composition from the pstar database:

Atomic number 	Fraction by weight
1 	0.143711
6 	0.856289

Our fragments (coming out of the PE target) nearly all have the creator process IonInelastic (we use light ion binary cascade for ion inelastic processes).
So my question is: Is there any chance to get information about which atom underwent the inelastic reaction, that means whether the C12 ion made an interaction with the hydrogen or the carbon within the PE target?

Thanks in advance,
Jan from Aachen

P.S.: We detected far more alphas than protons in our simulation. I would guess the lighter protons would be the majority of generated particles. Ratio is about alpha/protons = 250/1. 
The count rates are shown in the histo.


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1 Idea: Re: Shooting C12 ions on Polyetylene   (Vladimir Ivanchenko - 29 Nov, 2010)
(_ Ok: Re: Shooting C12 ions on Polyetylene   (HadronTherapy_Aachen - 03 Dec, 2010)
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