KEK exhibited at “Niconico Chokaigi 2026”
Niconico Chokaigi 2026 was held at Makuhari Messe on April 25–26.
Symposium on Technology in Laboratories at National Institute for Fusion Science
Technical staff of the Applied Research Laboratory (ARL) at KEK participated in and presented at the “Symposium on Technology in Laboratories at the National Institute for Fusion Science,” held on March 5-6 at the Tajimi Industry & Culture Center in Gifu Prefecture.
Contribution to the development of 3D cavity resonators by cavity fabrication technology
In the KEK press release titled “Discovery of a Method to Improve Quantum Device Performance by the Application of Accelerator Technology,” Assistant Technical Staff, Hitoshi Inoue, who has been involved in the fabrication of superconducting accelerator cavities, contributed to the development of three-dimensional cavity resonators through chemical polishing and heat treatment processes.
FY2025 Applied Research Laboratory Technical Exchange Meeting held
On 24 February, 2026, the FY2025 Applied Research Laboratory Technical Exchange Meeting was held.
The 40th Workshop on "Radiation Detectors and Their Uses" held
The 40th Workshop on "Radiation Detectors and Their Uses" was held on January 19 to 21, 2026, co-sponsored by the Radiation Science Center and the Japan Society of Applied Physics Ionization Radiation Division.
Geant4 Japanese Tutorial for Beginners 2025
From December 2 to 4, 2025, the Geant4 Japanese Tutorial for Beginners 2025 was held at Kobe University to provide training in radiation simulation.
KEK Winter Science Camp Held
The KEK Winter Science Camp was held from December 23 to 26, 2025.
Development of a 1m-Class Sized Robot for Monitoring Radiation Levels in Synchrotron Tunnel
To enable safe and efficient operation of synchrotron facilities, we have developed a 1 m-class medium-sized robot (RAT-L1) capable of monitoring radiation levels inside the accelerator tunnel during operation.
KEK Open House 2025
The High Energy Accelerator Research Organization (KEK) held its Open House 2025 on Tuesday, September 23, 2025.
Publication of ISO 8939:2025 “Decommissioning of medical cyclotron”
The international standard ISO 8939:2025 “Decommissioning of medical cyclotron” was published in October 2025.








