| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
I constructed an effective model including the nucleon and its parity partner based on the parity doublet structure, and obtained constraints to the model parameters from experimental data for the masses and decay widths of them. Then, I showed that the chiral invariant mass is more than half of the mass of nucleon by using the constraint to the equation of state obtained in the effective model from the observation of neutron stars.
Furthermore, I constructed effective models of hadrons including heavy quarks based on the chiral symmetry and the heavy-quark symmetry. I gave predictions on the modification of masses for existing hadrons in medium, and masses and decay widths for undiscovered hadrons.
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