6 Questions
In scintillation detectors, what happens when X-rays fall onto the crystal?
Flashes of light are produced
What is the role of the photocathode in a photomultiplier tube?
Releases electrons
Why are gas-ionization detectors based on the principle of ionization?
To produce positive and negative ions
What is the purpose of the tungsten plates in gas-ionization detectors?
To act as electron collection plates
Why must scintillation detectors exhibit a short primary decay time in CT?
To provide fast signal output
What is the main difference between scintillation detectors and gas-ionization detectors?
Method of light production
Learn about scintillation detectors used in radiology, how they work, and their components such as scintillation crystals and photomultiplier tubes. Understand the process of converting X-ray energy into light flashes for detection.
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