2015 Fiscal Year Final Research Report
Study of nucleus as multi body system of quarks based on quantum chromodynamics
| Project/Area Number |
25800138
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | University of Tsukuba (2014-2015)
Nagoya University (2013) |
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Principal Investigator |
|
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Keywords | 素粒子論 / 数値計算 / 格子QCD |
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| Outline of Final Research Achievements |
The final goal of this project is to understand properties of nucleus quantitatively from the first principle calculation of the strong interaction, which is lattice QCD numerical calculation.
In previous calculations, the binding energy for the known light nuclei have not been reproduced from lattice QCD calculation. A reason of this problem is considered to be heavier quark used in the calculations than the physical one. In order to check this expectation, a calculation with lighter quark than the previous calculations is carried out. However, a tendency of the binding energy approaching to the experimental result has not been observed in the calculation. This means that a calculation at the physical quark mass is expected to be important to reproducethe experimental binding energy. Thus, for a future work, it is necessary to calculate light nucleus binding energy at near the physical quark mass.
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| Free Research Field |
素粒子論
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