Monte Carlo calculated absorbed‐dose energy dependence of EBT3 and EBT4 films for 5–200 MeV electrons and 100 keV–15 MeV photons
The up to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:semantics><mml:mrow><mml:mo>(</mml:mo> <mml:mn>2.5</mml:mn> <mml:mo>±</mml:mo> <mml:mn>0.2</mml:mn> <mml:mo>)</mml:mo> <mml:mo>%</mml:mo></mml:mrow> <mml:annotation>$(2.5 \pm 0.2)\%$</mml:annotation></mml:semantics> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:semantics><mml:mrow><mml:mo>(</mml:mo> <mml:mn>4.5</mml:mn> <mml:mo>±</mml:mo> <mml:mn>0.7</mml:mn> <mml:mo>)</mml:mo> <mml:mo>%</mml:mo></mml:mrow> <mml:annotation>$(4.5 \pm 0.7)\%$</mml:annotation></mml:semantics> </mml:math> variations in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:semantics> <mml:mrow><mml:msup><mml:mi>f</mml:mi> <mml:mrow><mml:mo>-</mml:mo> <mml:mn>1</mml:mn></mml:mrow> </mml:msup> <mml:mrow><mml:mo>(</mml:mo> <mml:mi>Q</mml:mi> <mml:mo>)</mml:mo></mml:mrow> </mml:mrow> <mml:annotation>$f^{-1}(Q)$</mml:annotation></mml:semantics> </mml:math> for electrons and photons, respectively, across the energies considered in this study indicate the importance of calibrating films with the energy intended for measurement. Additionally, this work emphasizes potential issues with stacking films to measure depth dose curves, particularly for electron beams with energies <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:semantics><mml:mo>≤</mml:mo> <mml:annotation>$\le$</mml:annotation></mml:semantics> </mml:math> 10 MeV.
Authors
- Nathan Clements (ORCID: https://orcid.org/0000-0001-8911-997X)
- Magdalena Bazalova‐Carter (ORCID: https://orcid.org/0000-0002-9365-2889)
Institutions
- University of Victoria (CA)
Publication Details
- Journal
- Journal of Applied Clinical Medical Physics
- Published
- 2024-09-13
- DOI
- https://doi.org/10.1002/acm2.14529
- Citations
- 6
- Primary Topic
- Advanced Radiotherapy Techniques
- Type
- article
- Field-Weighted Citation Impact
- 3.65
Funders
- Canada Research Chairs
- Alliance de recherche numérique du Canada
- Natural Sciences and Engineering Research Council of Canada