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INVESTIGATION OF FRAGMENT DOSES PRODUCED BY HEAVY IONS IN TISSUE-LIKE MATERIAL

机译：类似于组织的材料中重离子产生的碎片剂量的研究

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摘要

In this paper, the distribution of fragments produced by 55 MeV ~(40)Ar~(l7+) ions in tissue-equivalent material is reported as a function angles relative to the incident particle direction. The relative fragment doses at different angles and the total dose due to the primary beam have been estimated. The results show that the fragments produced by primary beam were concentrated at very small angles, so the fraction of particle fluence diverging from the primary beam was very small. Even though the diverging fluence is a small fraction of the total, it should still be taken into account because biological systems are very sensitive to low doses of heavy ion irradiation.
机译：在本文中，由55 MeV / n〜（40）Ar〜（17+）离子在组织当量材料中产生的碎片分布被报告为相对于入射粒子方向的函数角。已经估计了不同角度下的相对碎片剂量和由于主光束引起的总剂量。结果表明，主光束产生的碎片集中在很小的角度，因此粒子能量密度从主光束发散的比例很小。即使发散通量仅占总通量的一小部分，仍应予以考虑，因为生物系统对低剂量的重离子辐照非常敏感。

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  • 来源
    《Radiation Protection Dosimetry》 |2012年第1期|p.126-131|共6页
  • 作者

    Bingrong Dang; Wenjian Li; Jinting Liu; Wenxu Zhao; Qing Huang;

  • 作者单位

    Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China;

    Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China;

    Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China;

    Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China;

    Key Laboratory of Ion Beam Bio-engineering, Institute of Plasma Physics of Chinese Academy of Sciences,350 Shushanhu Road, PO Box 1126, Hefei 230031, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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