期刊
RADIATION PROTECTION DOSIMETRY
卷 108, 期 4, 页码 345-352出版社
OXFORD UNIV PRESS
DOI: 10.1093/rpd/nch023
关键词
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A mini-tissue-equivalent proportional-counter (TEPC) has been constructed to study the possibility to manufacture mini-counters without field-shaping tubes for radiation therapy. The mini-TEPC can be assembled with and without field-shaping tubes. It can be equipped with a mini-alpha source for a precise lineal energy calibration. After the positive conclusions of this study, a slim TEPC has been designed and constructed. The slim TEPC has an external diameter of only 2.7 mm. It has been tested with therapeutic proton beams and gamma ray sources.
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