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Dear Ze Chen,<br>
<br>
check if you have in your physics list the RadioactiveDecay,
otherwise you will not see any C-11 or any other radioactive nuclei.<br>
<br>
If you do not have it, then add the following line after the
"/gate/physics/addProcess Decay" line:<br>
<br>
/gate/physics/addProcess RadioactiveDecay<br>
<br>
Good luck!<br>
<br>
Irene<br>
On 07/30/2013 05:11 PM, ³ÂÔó wrote:
<blockquote
cite="mid:77b7dc.8a4f.14030225b80.Coremail.chenze@impcas.ac.cn"
type="cite"><br>
Dear all,<span></span>
<div> Recently, I am using GATE to simulate the in-beam PET.
I use a Carbon12 beam to hit a PMMA phantom, there will be lots
of fragments, like Carbon11. But something weird happened, in
the physics.txt the Carbon11 Decay was not included, only "===
Process: Decay === Particle: mu+ ... Particle: anti_xi0". As
we only concern the positron emitter (C11, or O15), how can I
add the process like "C11 decays to positron and B11".</div>
<div> Thank you very much for the reply.</div>
<div>regards,</div>
<div>ze chen</div>
<br>
<br>
<br>
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