[Gate-users] GATE running problem--WARNING : positron found and photonID vector size 1

[Fernando Rannou]

I think this is because a positron was found
in a "void" volume, where it will never find an electron


Fernando

On Fri, 2008-01-04 at 13:31 -0600, Su, Yi wrote:
> Hi there,
> 
>  
> 
> I am running a GATE simulation and the following warning message keeps
> popping up:
> 
>  
> 
> [GateTrajectoryNavigator::FindAnnihilationGammasTrackID]  WARNING :
> positron found and photonID vector size: 1
> 
>  
> 
> Does anyone know what is going on, and what might be the problem? I am
> using Gate 3.1.2 and I am simulating an ecat system with a simple
> cylinder phantom and source.
> 
>  
> 
> Thanks a lot,
> 
>  
> 
> Yi
> 
> __________________________________________
> 
> Yi Su, PhD
> 
> Division of Radiological Sciences
> 
> Mallinckrodt Institute of Radiology
> 
> Washington University School of Medicine
> 
> Campus Box 8225
> 
> 510 S. Kingshighway Blvd
> 
> St. Louis MO 63110
> 
> Phone: 314-362-8363
> 
> Fax:       314-362-9940
> 
> Email: suy at mir.wustl.edu
> 
>  
> 
> 
> 
> 
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