| Budget Amount *help |
¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2011: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2010: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2009: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
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| Research Abstract |
In order to investigate the energy and spatial distribution of Galactic cosmic-rays(CRs), we extensively analyzed Galactic diffuse gamma-ray emission. The outcome can be summarized by the following three discoveries :[ 1] The energy spectrum of Galactic CRs are close to those directly measured at the Earth[ 2] On the other hand, the CR density differ by~ 20% in a few 100 pc scale in the vicinity of the solar system[ 3] and the CR density distribution in the outer Galaxy is flatter than expectations based on a conventional model.
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