"Proton Synchrotron" . "National Laboratory for High Energy Physics" . . . . "KEK (High Energy Accelerator Research Organization)" . . . . . . "K\u014D Enerug\u012B Kasokuki Kenky\u016B Kik\u014D, (KEK)" . . . "KEK accelerator" . . "Kosovo Energy Corporation" . . "KEK" . "K\u014D Enerug\u012B Kasokuki Kenky\u016B Kik\u014D (KEK)" . "TRISTAN" . . . . "National Laboratory of High Energy Physics" . . "High Energy Accelerator Research Organization (KEK)" . . . . . . . . . "KEK particle physics laboratory" . . . . "High Energy Accelerator Research Organization" . . . "KEK" .