| Budget Amount *help |
¥187,330,000 (Direct Cost: ¥144,100,000、Indirect Cost: ¥43,230,000)
Fiscal Year 2022: ¥29,900,000 (Direct Cost: ¥23,000,000、Indirect Cost: ¥6,900,000)
Fiscal Year 2021: ¥29,640,000 (Direct Cost: ¥22,800,000、Indirect Cost: ¥6,840,000)
Fiscal Year 2020: ¥36,790,000 (Direct Cost: ¥28,300,000、Indirect Cost: ¥8,490,000)
Fiscal Year 2019: ¥37,830,000 (Direct Cost: ¥29,100,000、Indirect Cost: ¥8,730,000)
Fiscal Year 2018: ¥53,170,000 (Direct Cost: ¥40,900,000、Indirect Cost: ¥12,270,000)
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| Outline of Final Research Achievements |
The nnLambda search experiment was conducted at the Jefferson Lab in the United States, and we successfully obtained the world's first upper limit on the production cross section of the nnLambda system. Additionally, we achieved the first measurements of the electromagnetic production cross sections of Lambda, Sigma0 hyperons, and eta' mesons in low Q2 region. Furthermore, we completed and exported to JLab a pair of charge separation magnets required for the world's first precision isospin-dependence measurements of medium-heavy hypernuclei. At MAMI (Mainz, Germany), we developed the technology to determine the mass of the hypernuclear ground state with an accuracy of several tens of keV through precise measurements of the decay pi- mesons from hypernuclei. We successfully performed an experiment with the decay pi method for the mass measurement of hypertriton (H3L). Additionally, we succeeded in developing technology for the precise measurement of electron beam energy with undulators.
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