Institute for Cosmic Ray Research

The Institute for Cosmic Ray Research (ICRR) of the University of Tokyo (東京大学宇宙線研究所 "Tōkyōdaigaku Uchūsen Kenkyūsho") was established in 1976 for the study of cosmic rays.
The gravitational wave studies group is currently constructing the detector KAGRA located at the Kamioka Observatory.