A new position recording system for the partial-body counter at KIT

Area of Science:

• Nuclear Physics
• Radiation Detection
• Metrology

Background:

• Detector positioning significantly impacts counting efficiency for low-energy photon emitters in partial-body counters.
• Inconsistent positioning leads to reading errors and reduced reproducibility in radiation measurements.

Purpose of the Study:

• To develop and implement an electronic position recording system for partial-body counters.
• To minimize reading errors and enhance the reproducibility of position data.
• To validate Monte Carlo simulations for counting efficiency determination.

Main Methods:

• Installed an electronic position recording system within the partial-body counter chamber.
• Equipped Phoswich detectors with electronic sensors for position and axis determination.
• Utilized a laser measurement system to record positions of landmarks on phantoms and test persons.
• Enabled network interface for remote access to position data.

Main Results:

• Successfully implemented an electronic system for precise detector positioning.
• Demonstrated enhanced reproducibility of position data.
• Validated Monte Carlo simulations using the new position recording system.

Conclusions:

• The electronic position recording system significantly improves the accuracy and reproducibility of partial-body counting.
• This system is crucial for reliable low-energy photon emitter detection and efficient validation of radiation measurement simulations.