| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Outline of Final Research Achievements |
The computation of three-baryon forces and hyperon forces is one of the most important challenges which has an great impact on particle-, nuclear- and astro- physics. In this study, we perform the first-principles computation by lattice QCD. The major achievements are: (1) We reveal the reliability of HAL QCD method and Luscher's method and resolve the long-standing issue on the consistency between the methods (2) We perform the first study of baryon interactions with nearly physical quark masses and find that ΩΩ、NΩ systems form (quasi) bound states located near the unitary regime (3) We calculate three-nucleon forces at lighter quark mass region and find the short-range repulsive interaction which tends to be enhanced at lighter quark masses.
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