August 12, 2013



3rd Accelerator Facility Accident Report to Nuclear Regulation Authority

Incorporated Administrative Agency - Japan Atomic Energy Agency
Inter-University Research Institute - High Energy Accelerator Research Organization


  Subject :  The radioactive material leak at the Hadron Experimental Facility of the Japan Proton Accelerator Research Complex  (J-PARC) 

          In addition to describing the facts, etc., investigated and disclosed after the 2nd report on June 18, the 3rd report has incorporated the preventive measures against recurrence from both the aspects of hardware and software, which reflect the contents subject to the review of the accident by the External Expert Panel.


     Official summary of the report in English



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