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Updated: Aug 10, 2026

Characterization of Recombination Effects in a Liquid Ionization Chamber Used for the Dosimetry of a Radiosurgical Accelerator
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技术说明:点对点离子重组校正用于在高剂量每脉冲辐射场中准确测量剂量概况

Hideki Kojima1, Masayori Ishikawa2, Makoto Takigami3

  • 1Department of Radiation Oncology, Sapporo Higashi Tokushukai Hospital, Sapporo, Hokkaido, Japan.

Medical physics
|August 2, 2023
PubMed
概括

离子重组校正通过计算每脉冲剂量 (DPP) 的变化来改善平整无波器 (FFF) 束中的剂量测量. 这种方法提高了百分比剂量深度 (PDD) 配置文件的准确性,特别是对于对DPP变化敏感的腔室.

关键词:
离子重组校正的纠正每个脉冲的剂量.剂量谱测量剂量谱测量方法

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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they produce ions...