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Forum: Documentation and Examples
Re: Question How can we declare Co-60 source (Dziri)
Date: 03 Mar, 2011
From: michel maire <michel maire>

On Thu, 03 Mar 2011 14:44:57 GMT, Dziri wrote:
> Hello,
> 
> I want to simulate the peak-sum effect by geant4. I ve chosen the Co-60
> for this effect. However when I declare the radionulide in my macro, the
> spectrum i ve got is not a Co-60 at all (see the Fig). But, what i can't
> understand is when I try with Cs-137 the spectrum is good.
> 
> Can someone help me to overcome this problem.
> 

 This is a macro for rdecay01

 It is also recommended to run few events with /tracking/verbose 2 
 Check that decays are conform of what you expect.

 /control/verbose 2
 /run/verbose 1
 #
 /gun/particle ion
 /gun/ion 27 60
 #
 /rdecay01/fullChain true
 #
 /tracking/verbose 2
 /run/beamOn 1
 #
 /tracking/verbose 0
 #
 /rdecay01/histo/setFileName Co60
 /rdecay01/histo/setFileType root
 /rdecay01/histo/setHisto 1  150  0. 1500 keV	#e+ e-
 /rdecay01/histo/setHisto 2  150  0. 1500 keV	#neutrino
 /rdecay01/histo/setHisto 3  150  0. 1500 keV	#gamma
 /rdecay01/histo/setHisto 6  100 -1. 4000 keV	#E balance
 /rdecay01/histo/setHisto 7  150  0. 15e3 keV	#P balance
 /rdecay01/histo/setHisto 8  100  0. 100. year	#time of life
 #
 /rdecay01/event/printModulo 100000
 #  
 /run/beamOn 1000000

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