| Project/Area Number |
23654114
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Condensed matter physics II
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| Research Institution | The University of Tokyo |
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Principal Investigator |
SAITO Haruo 東京大学, 大学院・総合文化研究科, 准教授 (60235059)
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| Co-Investigator(Kenkyū-buntansha) |
SHIBUYA Kengo 東京大学, 大学院・総合文化研究科, 助梗 (20415425)
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| Project Period (FY) |
2011 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Keywords | 磁気共鳴 / 陽電子 / ポジトロニウム / スピン回転 / 磁場 / 消滅放射線 / LaBr3(Ce)シンチレータ / デジタルオシロスコープ / 消滅γ線 / ＰｓＳＲ / 局所磁場測定 / ＬａＢｒ３（Ｃｅ）シンチレータ結晶 / スピンローテーション / LaBr3(Ce)シンチレータ結晶 / ガンマ線検出器 / 凝集系 |
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| Research Abstract |
Positronium spin rotation under a magnetic field can be observed as an oscillation of detection rate of the annihilation radiation. Then, the strength of a local magnetic field can be estimated by the oscillation frequency of the detection rate. We measured the oscillation due to positronium spin rotation in a condensed matter (hexane) for the first time overcoming technical problems.
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