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Ozawa Lab
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A lab for experimental nuclear physics that uses accelerator experiments to investigate quark matter and the origin of hadron mass.
AboutAbout the lab
Exploring quark matter through accelerator experiments
The Ozawa Lab conducts research aimed at discovering high-density quark matter and investigating its properties.
Normally, quarks are confined inside hadrons such as protons and neutrons.
In high-density states such as the interior of a neutron star, quarks are expected to be able to move freely, and various phases of matter are predicted to appear.
To study the properties of this matter and the mechanism by which hadrons acquire mass when the phase changes, the lab carries out accelerator experiments that use atomic nuclei, among other things.
Key terms
- Hadron
- A general term for particles made of quarks bound together by the strong force, such as protons, neutrons, and mesons
- Quark-Gluon Plasma
- A state of matter at extremely high temperature or density in which quarks and gluons are released from inside hadrons
- Chiral Symmetry
- A symmetry of the theory of the strong force (QCD). Its spontaneous breaking in the vacuum is thought to be the origin of hadron mass
ResearchResearch themes
The lab aims to clarify through experiments the many forms of matter governed by the strong interaction. It works on the full flow of hadron and nuclear experiments, from detector development to accelerator-based experiments and data analysis.
*Illustrative imageThe Origin of Hadron Mass
The masses of protons and neutrons are thought to arise from the spontaneous breaking of chiral symmetry in the QCD vacuum. To investigate the relationship between mass and the QCD vacuum, the lab is conducting experiments at J-PARC.
*Illustrative imagePhase Transition to the Quark-Gluon Plasma
The lab studies hadronic matter at high temperature and high density, and its phase transition to the quark-gluon plasma. It uses the Relativistic Heavy Ion Collider at Brookhaven National Laboratory in the United States.
MembersFaculty
- Associate ProfessorKyoichiro Ozawa
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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: “J-PARC Hadron Experimental Facility 5” Kestrel / CC BY-SA 4.0 (cropped)
- The Origin of Hadron Mass: “J-PARC Hadron Experimental Facility 1” Kestrel / CC BY-SA 4.0 (cropped)
- Phase Transition to the Quark-Gluon Plasma: “U.S. Department of Energy - Science - )” U.S. Department of Energy from United States / Public domain (cropped)
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