| Budget Amount *help |
¥19,370,000 (Direct Cost: ¥14,900,000、Indirect Cost: ¥4,470,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2019: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2018: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
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| Outline of Final Research Achievements |
The purpose of this study is to elucidate the origin of the shell evolution in neutron-rich nuclei. For this purpose, we have been developing a method to measure the magnetic moment of unstable nuclei, which is a physical quantity that directly reflects the microscopic structure of the nuclear shell, and to conduct nuclear spectroscopy experiments using gamma-ray detectors and newly developed experimental instruments on a variety of nuclei to elucidate the evolution mechanism through a systematic study. To clarify the shell evolution in a wide range of nuclei, we have obtained data on the excited level structure, magnetic moment, and electric monopole moment in the 40, 130, and 250 mass regions. To realize a new magnetic moment measurement method, a target-absorber variable positioning plunger device and a charged particle detector for measuring scattered particles were developed and completed.
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