한국의학물리학회지:의학물리 (Progress in Medical Physics)
- 제6권1호
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- Pages.39-47
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- 1995
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- 2508-4445(pISSN)
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- 2508-4453(eISSN)
대전 입자들의 초기 이온화비에 관한 연구 I
A Study on Linear Energy Transfer and Specific Primary lonizaton for Charged Particles Incident on Water
초록
생물체의 조직내에서 방사선에 의해 유도된 손실을 정확히 측정하기 위해 선형 에너지 전달 (LET) 계산 방법를 보완한 초기 이온화비 (SPT) 계산 방법을 도입하였다. 총 저지능으로 LET를 고찰하고, 물에 입사된 전자ㆍ양성자ㆍ
In order to accurate treat damage induced by ionizing radiation in biological system on the cellular or subcellular level with physical parameters characterising the radiation, specific primary ionization (SPI) is introduced as the parameter which does not suffer from limitation of linear energy transfer (LET). In this present study, we calculate specitic primayt ionization with total ionization cross section (TICS) of electrons, protons and alppa particles incident on water. The used energy ranges cover those that have been freqently used in radiobioligical experiments. For electrons above 1 keV, we have relativistic corrections and also compare the results with other data. For electrons energies below 100keV, our results are in excellent agreement with theoretical calculations published recently by (perris and zarris 1987). These results may be easily applied by the interested radiobiogists.
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