[Gate-users] add new source

[seta al-enazi]

 Dear Gater
i have a problem to add a new source to the benchPET instead of the standard sources (F-18 and O-15), i wrote all information about the new source in macro file , this new source emits tow gamma photon (511 KeV) and another single gamma photon
 but i got an error message IT IS NOT DEFINEhow can i define  new source in Gate?
regards 
ÇáãÓÊÞÈá ãáß áÃÕÍÇÈ ÇáÃÍáÇã ÇáÌãíáÉ ..
  
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