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Hayato Group (Super-Kamiokande/ICRR) Lab
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The lab conducts neutrino experiments that probe the properties of neutrinos through large-scale experiments such as Super-Kamiokande.
AboutAbout the lab
Probing the properties of neutrinos through experiments.
The Hayato Group conducts experimental research on neutrinos and the search for proton decay.
Centered on the Super-Kamiokande and T2K experiments, the lab is also involved in preparations for Hyper-Kamiokande, the next-generation project.
Using observational data on neutrinos from the atmosphere and from accelerators, the lab investigates whether neutrinos and antineutrinos oscillate differently.
The lab also works on simulating neutrino interactions and developing data acquisition systems, both of which are essential for observation.
Key terms
- Neutrino oscillation
- A phenomenon in which a neutrino changes into a different type of neutrino while it is traveling
- Antineutrino
- The antiparticle of the neutrino. Some of its properties are the opposite of those of the neutrino
- Data acquisition system
- A system that digitizes the signals from a detector's sensors, reads them out on computers, and records them
ResearchResearch themes
The lab conducts experimental research on neutrinos and the search for proton decay. Centered on Super-Kamiokande and the T2K experiment, it is also involved in preparations for Hyper-Kamiokande, the next-generation project.
*Illustrative imageNeutrino-Nucleus Scattering
The lab observes the particles produced when neutrinos interact with nucleons and other constituents inside atomic nuclei, and from them estimates the type and energy of the neutrino. To make this possible, it studies neutrino-nucleus scattering in order to understand it accurately, and develops simulation programs based on that understanding.
*Illustrative imageNeutrino Oscillation Research
The lab probes the properties of neutrinos using data on atmospheric neutrinos observed at Super-Kamiokande and accelerator neutrinos from J-PARC. By investigating whether neutrinos and antineutrinos oscillate differently, it is thought possible to approach an answer to why only matter remained in the universe.
*Illustrative imageElectronics and Data Acquisition Systems
The lab develops and improves, for Super-Kamiokande, the electronics that digitize signals from sensors and the data acquisition systems that read out that data on computers and record it. It is also advancing research and development for Hyper-Kamiokande.
MembersFaculty
- ProfessorYoshinari HayatoPublications ↗
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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: “Photomultiplier Tube (PMT)” Motokoka / CC BY-SA 4.0 (cropped)
- Neutrino-Nucleus Scattering: “Super Kamiokande, 1 to 135th” Motokoka / CC BY-SA 4.0 (cropped)
- Neutrino Oscillation Research: “HK experiment overview” Jan Kisiel (Silesia U.) for the Hyper-Kamiokande collaboration / CC BY 4.0 (cropped)
- Electronics and Data Acquisition Systems: “HK ID PMT” Jan Kisiel (Silesia U.) for the Hyper-Kamiokande collaboration / CC BY 4.0 (cropped)
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