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Feasibility of Intensity Modulated Brachytherapy Using Ytterbium-169

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Ytterbium-169 is a promising source for future high dose rate (HDR) brachytherapy procedures. The lower energy gamma rays emitted by the radionuclide are readily shielded by gold foils as experimentally demonstrated using Gafchromic films. The dose from a ytterbium-169 source was decreased approximately 30% at 1, 2, and 3 centimeters as a result of shielding with 100 microns of gold. This is approximately three times more effective than shielding an iridium-192 source, which had a dose reduction of approximately 10% as a result of the 100 microns of gold.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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  • E-project-042617-143147
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Year
  • 2017
Date created
  • 2017-04-26
Location
  • Worcester
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