Estimation of ambient dose equivalent rate with a plastic scintillation detector using the least-square and...

Area of Science:

• Medical Physics
• Radiation Detection and Measurement

Background:

• Dose-rate monitoring instruments are essential for radiation safety.
• Plastic scintillation detectors (PSDs) offer ideal dosimetry properties but have limited use due to lower efficiency.
• Improving PSD efficiency is crucial for effective radiation protection.

Purpose of the Study:

• To enhance the utility of plastic scintillation detectors (PSDs) in spectroscopic dosimetry.
• To improve the energy response of PSDs for accurate dose evaluation.
• To overcome the limitations of PSDs in radiation monitoring applications.

Main Methods:

• Acquisition of ten types of G(E) functions tailored for PSDs.
• Application of least-square and first-order methods for spectral analysis.
• Evaluation of the energy response and dose evaluation accuracy of PSDs.

Main Results:

• The energy response of PSDs was significantly improved.
• The developed methods enabled better dose evaluation using PSDs.
• The study demonstrated a viable approach to enhance PSD performance.

Conclusions:

• The improved energy response allows for more accurate dose evaluation with PSDs.
• This research facilitates the wider application of PSDs in radiation dosimetry.
• Enhanced PSD performance contributes to better radiation worker protection.