| Co-Investigator(Kenkyū-buntansha) |
JEONG Sun Chang 高エネルギー加速器研究機構, 素粒子原子核研究所, 教授 (00262105)
HATANAKA Kichiji 大阪大学, 核物理研究センター, 教授 (50144530)
MATSUTA Kensaku 大阪大学, 理学研究科, 准教授 (50181722)
WATANABE Yutaka 高エネルギー加速器研究機構, 素粒子原子核研究所, 講師 (50353363)
MIHARA Mototugu 大阪大学, 理学研究科, 助教 (60294154)
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| Budget Amount *help |
¥206,050,000 (Direct Cost: ¥158,500,000、Indirect Cost: ¥47,550,000)
Fiscal Year 2013: ¥13,910,000 (Direct Cost: ¥10,700,000、Indirect Cost: ¥3,210,000)
Fiscal Year 2012: ¥44,590,000 (Direct Cost: ¥34,300,000、Indirect Cost: ¥10,290,000)
Fiscal Year 2011: ¥48,230,000 (Direct Cost: ¥37,100,000、Indirect Cost: ¥11,130,000)
Fiscal Year 2010: ¥52,650,000 (Direct Cost: ¥40,500,000、Indirect Cost: ¥12,150,000)
Fiscal Year 2009: ¥46,670,000 (Direct Cost: ¥35,900,000、Indirect Cost: ¥10,770,000)
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| Research Abstract |
A new generation UCN source of He-II and an apparatus for neutron EDM measurement have been constructed. UCN have been produced by means of an RCNP proton beam. UCN were successfully extracted through an aluminum window at the He-II bottle, where a 3.5 T magnetic field was applied. UCN were polarized upon the extraction. This UCN source reduces the statistical error lower than 10-26 e cm, when RCNP proton beam power is increased by a factor 10. The geometric phase effect has been studied so that the systematic error becomes lower than 10-27 e cm.
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