[Gate-users] Energy window

[Margaret Morris]

Hi all,
   
  I am simulating Tc source for SPECT system and I would like to model an energy window. Is it correct to use these lines of command:
   
  /gate/digitizer/Singles/insert thresholder
  /gate/digitizer/Singles/thresholder/setThreshold 126. keV
  /gate/digitizer/Singles/insert upholder
  /gate/digitizer/Singles/upholder/setUphold 154. keV
   
   or they are only used to speed up the simulation?
   
  Thanks in advance.
  Margaret
   
   

       
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