Institute for Cosmic Ray Research
The University of Tokyo
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Press Release 2025.6.3

The Giant Supermassive
Black Hole Cluster
Discovered in the Distant Universe
: New Puzzles in the Cosmic
Matter Distribution

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News

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Media

MOVIE

ICRR PR VIDEO

A video clip that features experimental facilities of ICRR, in Hida city, Japan, Utah, USA and LaParma, Canary Islands, Spain

VR

ICRR VR

A 360 panoramic view exploring ICRR experimental facilities, Super-Kamiokande and KAGRA located underground in Kamioka Mine, Japan

MOVIE

Hyper-Kamiokande

Hyper-Kamiokande is the next generation large-scale experiment for the study of neutrinos and nucleon decays. The Hyper-Kamiokande project was started in February 2020 and aims to…

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Kashiwa Campus Open Day

FY2024 Kashiwa Campus Open Day was held on October 25-26.

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Events

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Research Projects

Neutrino And Astroparticle Division

Super-Kamiokande

Super-Kamiokande aims to reveal the Universe’s history and to explore the nature of elementary particles through the observation of neutrinos and a discovery of proton decay.

High Energy Cosmic Ray Division

Telescope Array(TA)

Aiming at highest energy cosmic ray physics by detecting weak light from atmosphere.

Astrophysics And Gravity Division

Gravitational Wave

We aim to promote gravitational wave astronomy by participating the world gravitational wave observation network with the large-scale cryogenic gravitational wave telescope, KAGRA.

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Facility

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HISTORY

Timeline

The Institute for Cosmic Ray Research (ICRR) conducts observations and studies cosmic rays from various aspects. Its predecessor was a lodge for research, called Asahi Hut, built on Mt.Norikura based on an Asahi Academic Grant. In 1953, it was transformed into the Cosmic Ray Observatory of The University of Tokyo.

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Publication

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