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</style><pre>Hi GATE users.
I am masa@japan and new to Gate.
I am currently working on a simple simulation.
I am trying to find the point spread function of the scattered rays detected by a CsI detector by injecting a pencil beam of monochromatic X-rays into an acrylic phantom.
Assuming a detector detection efficiency of 100%, I want to output the spread of scattered radiation when it enters the detector.
No interaction occurs with the detector. I also want to output scattered rays and primary rays separately.
How should I set up the detector in such a case?
Should I use Fluence Actor for detection?
Or should I use a sensitive detector?
I would appreciate it if you could help me.
Thank you.</pre><p><br></p>