| Project/Area Number |
21310038
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Risk sciences of radiation/Chemicals
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| Research Institution | Hiroshima University |
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Principal Investigator |
SATORU Endo 広島大学, 大学院・工学研究院, 准教授 (90243609)
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| Co-Investigator(Kenkyū-buntansha) |
SHIZUMA Kiyoshi 広島大学, 大学院・工学研究院, 教授 (10127657)
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| Co-Investigator(Renkei-kenkyūsha) |
TAKADA Masashi 放射線医学総合研究所, 主任研究員 (50291109)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
Fiscal Year 2011: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2009: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
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| Keywords | マイクロドシメトリ / TEPC / 重イオン / フラグメント / 粒子識別 / Si検出器 / 組織等価ガス比例計数管 / 炭素線SOBPビーム |
|---|
| Research Abstract |
A PID-TEPC which consist of tissue equivalent proportional counter(TEPC) and solid state detector(SSD) system was improved and tested. The SSDs were changed from 500μm to 700μm to improve the particle identification resolution. This system was tested with spread out Bragg peak(SOBP) carbon beam. Microdosimetric spectra of fragment particles were measured by this system. As the result of this test, microdosimetric spectra of proton, helium, lithium, beryllium, boron, carbon and neutron could be obtained separately. Neutron component obtained by this system was higher than that produced in a body simulated phantom by mono-energy carbon beam. Therefore, neutron energy spectrum produced in SOBP beam moderator has been also measured.
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