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Forum: Physics List
Re: None photo electric peak wih G4 (Guillaume Moret)
Date: 31 Mar, 2003
From: michel maire <michel maire>

User Guillaume Moret wrote:

>> Hello everybody,
>> i simulate a BGO cristal with a 511 keV photon's beam. 
>> At this energy, the expected fraction of photo electric events is 
>> around 41%. 
>> In simulation, i find only a fraction around 24% of events in the pe 
>> peak. (I include the 2 pe processes, Low and "classic").
>> Is somebody have an explanation of this difference? 
>> 
>> Thanks a lot.
>> Cheers.
>> 
>> Guillaume Moret
>> 

What is the thickness of your cristal ?

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