 Institute for Cosmic Ray Research

The Institute for Cosmic Ray Research (ICRR) is a research institution in Japan that operates under the University of Tokyo. Established in 1965, its primary focus is on the study of cosmic rays, which are high-energy particles originating from outer space. The ICRR conducts a range of scientific activities, including fundamental research in astrophysics and particle physics, as well as developing and utilizing advanced detection technologies.