Influence of the Beam Size Radiation on the Depth Dose by Using 60Co

Authors

  • A. Kadhim Department of Physics., College of Science, University of Baghdad,Baghdad, Iraq.
  • S. Essa Department of Physics., College of Science, University of Baghdad,Baghdad, Iraq.

Keywords:

Beam size, 60Co

Abstract

Radiotherapy is medical use of ionizing radiation, and commonly applied to the
cancerous tumor because of its ability to control cell growth.
The amount of radiation used in photon radiation therapy called dose (measured
in grey unit), which depend on the type and stage of cancer being treated.
In our work, we studied the dose distribution given to the tumor at different
depths (zero-20 cm) treated with different field size (4×4- 23×23 cm).
Results show that the deeper treated area has less dose rate at the same beam
quality and quantity. Also it has been noted increasing in the field increasing in the
depth dose at the same depth even if the radiation energy is constant. Increasing in
radiation dose attributed to the scattered radiation, which is expected,
proportionately with increase in the beam size. The aim of work studies the
relationship between the depth dose and the radiation source beam size

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Published

2023-12-30

Issue

Section

Physics

How to Cite

Influence of the Beam Size Radiation on the Depth Dose by Using 60Co. (2023). Iraqi Journal of Science, 54(3), 607-611. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12157

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