[Gate-users] Coincidences from several SinglesChains

Ronja Hetzel ronja.hetzel at pmi.rwth-aachen.de
Mon Sep 13 11:27:26 CEST 2021

Dear Gaters,

in GATE, the hits are processed first in a SinglesChain which can then 
be fed to a CoincidenceSorter. Is there a way to feed several 
SinglesChains to the same CoincidenceSorter or to add several 
SinglesChains to one chain which can then be processed by one 

I know about the TriCoincidenceSorter, but to my understanding this is 
only to search for a coincidence between a single and an already found 
coincidence from another chain, so this doesn't seem to be what I'm 
looking for.

Background: I have two defined PET systems which have slightly different 
digitization of the singles, but in the end I want to include all 
coincidences also between the two systems. So both singles lists contain 
unique pulses.


Dr. Ronja Hetzel

Department of Physics of Molecular Imaging Systems (PMI)
Institute of Experimental Molecular Imaging (ExMI)
Zentrum für Biomedizinische Technik ZBMT
Pauwelsstr. 17, D 52074 Aachen
Tel: +49 241 80 36845
ronja.hetzel at pmi.rwth-aachen.de

III. Physikalisches Institut B
RWTH Aachen University
Templergraben 55, 52062 Aachen
Tel: +49 241 80 27298
Fax: +49 241 80 22244
ronja.hetzel at physik.rwth-aachen.de

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