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Nucleon Many-Body Theory Lab
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The lab uses theory to describe the nature of atomic nuclei, which are formed when protons and neutrons come together.

AboutAbout the lab
Describing the behavior of atomic nuclei through theory
The Nucleon Many-Body Theory Lab studies, through theory, the structure and reactions of atomic nuclei, which are formed when protons and neutrons come together.
Masaaki Kimura, the head of the lab, also serves as a faculty member in the Department of Physics (Nuclear Theory), Graduate School of Science, The University of Tokyo.
The lab deals with the shapes, shell structure, and clustering phenomena of unstable nuclei, as well as nuclear reactions inside the astronomical objects where elements originate.
To make use of nuclear reactions in medicine and industry, the lab also works on the research and development of nuclear reaction databases.
Key terms
- Unstable nuclei
- Nuclei whose balance of protons and neutrons deviates from that of stable nuclei, so that they decay quickly
- Shell structure
- The way protons and neutrons in a nucleus occupy shells of discrete energies. Nuclei become especially stable at certain specific numbers of particles
- Clustering phenomena
- Phenomena in which protons and neutrons in a nucleus form several groups and each group behaves like a single cluster
NewsLab news
View More ↗ResearchResearch themes
In the structure and reactions of atomic nuclei, protons and neutrons separate and come together, and many different aspects of the quantum world involving large numbers of particles emerge. The lab aims to understand this behavior and to build theoretical models that describe it.
View More ↗MembersFaculty
The members of the Nucleon Many-Body Theory Lab consist of the lab head, collaborating researchers, and visiting researchers.
- Office DirectorMasaaki Kimura
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Riken src” Eto shorcy / CC BY-SA 3.0 (cropped)
- Nuclear Structure and Reactions, and Databases: “NuclideMap stitched small preview” The viewer / Public domain (cropped)
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