Determination of nominal accelerating potential.

Area of Science:

• Medical Physics
• Radiation Dosimetry
• Radiological Imaging

Background:

• Accurate determination of nominal accelerating potential (NAP) is crucial for consistent radiation therapy.
• Current methods for NAP determination can be complex and lack standardization.
• Dosimetry and quality control rely on precise knowledge of the radiation beam's energy.

Purpose of the Study:

• To establish a simple, linear relationship for determining NAP.
• To provide a standard and unambiguous method for NAP assessment.
• To enhance the accuracy of dosimetry and quality control procedures.

Main Methods:

• Utilizing ionization measurements at a constant source-detector distance.
• Performing measurements across two distinct phantom thicknesses.
• Analyzing the ratios of ionization measurements to identify a linear correlation.

Main Results:

• A straightforward linear relationship was identified between NAP and ionization measurement ratios.
• The proposed method demonstrates a high degree of reliability and reproducibility.
• The findings offer a practical approach for routine clinical application.

Conclusions:

• The established linear relationship provides a novel, simplified method for NAP determination.
• This technique serves as a valuable tool for quality assurance in radiation oncology.
• Implementation of this method can improve the precision and safety of radiation treatments.