| Budget Amount *help |
¥45,760,000 (Direct Cost: ¥35,200,000、Indirect Cost: ¥10,560,000)
Fiscal Year 2011: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2010: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2009: ¥32,890,000 (Direct Cost: ¥25,300,000、Indirect Cost: ¥7,590,000)
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| Research Abstract |
The variable types of neutron capture reactions under the variable environmental conditions were found from the isotopic results of lunar surface materials, martian meteorites, gas-rich meteorites, stony meteorites having long cosmic-ray exposure ages, stony-iron meteorites, and the Oklo natural reactor samples. The quantitative characterization of the neutron capture reactions were performed from the isotopic shifts of^<150> Sm/^<149> Sm,^<156> Gd/^<155> Gd, and^<158> Gd/^<157> Gd in individual samples because of the large neutron capture cross sections of^<149> Sm,^<155> Gd and^<157> Gd.
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