[Gate-users] How to set the timing resolution of Two-layer detector

[김수환]

Hi Maxime Toussaint.
Thank you very much for your reply
I have seen '6.4.7.Local time resolution' in the GATE user guide.
It looks possible, doesn't it?
If not, how do GATE users generally use? 
Do you enter the average of the two time resolution values?
Very difficult
 
Thank you.
 
Su Hwan Kim
-----Original Message-----
From: "Maxime Toussaint"<Maxime.Toussaint at USherbrooke.ca>
To: "gate-users at lists.opengatecollaboration.org"<gate-users at lists.opengatecollaboration.org>;
Cc:
Sent: 2021-01-25 (월) 12:16:16 (GMT+09:00)
Subject: Re: [Gate-users] How to set the timing resolution of Two-layer detector
 
Greetings,
 
To the best of my knowledge, the Single digitizer treat every crystal equal. Thus, you cannot use Gate as-is to set multiple values of timing resolution. You must either modify Gate to enable this feature or add the timing blur after the simulation.
 
Bests,
Maxime Toussaint
De : Gate-users <gate-users-bounces at lists.opengatecollaboration.org> de la part de 김수환 <ksh2454178 at naver.com>
Envoyé : 24 janvier 2021 21:16
À : gate-users at lists.opengatecollaboration.org <gate-users at lists.opengatecollaboration.org>
Objet : [Gate-users] How to set the timing resolution of Two-layer detector
 
Dear GATE users 
 
I'm designing a two-layer PET detector.
I know the time resolution for each crystal. 
The time resolution of the crystal at the bottom is 140.8 ps and the crystal at the top is 244.0 ps.  
How do I set the digitizer? 
Below is the digitizer in my macro file.
 
----------------------------------------------------------------------
# D I G I T I Z E R 
/gate/digitizer/Singles/insert adder
/gate/digitizer/Singles/insert readout
/gate/digitizer/Singles/readout/setDepth 4
 
/gate/digitizer/Singles/insert blurring
/gate/digitizer/Singles/blurring/setLaw linear
/gate/digitizer/Singles/blurring/linear/setResolution 0.15
/gate/digitizer/Singles/blurring/linear/setEnergyOfReference 511. keV
 
/gate/digitizer/Singles/insert thresholder
/gate/digitizer/Singles/thresholder/setThreshold 450. keV
/gate/digitizer/Singles/insert upholder
/gate/digitizer/Singles/upholder/setUphold 650. keV
 
/gate/digitizer/Singles/insert timeResolution
??????????????????????????????????????????? 
-----------------------------------------------------------------------
 
I need your help.
 
Thank you.








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