A. Ueno, K. Ikegami, N. Kamikubota, C. Kubota, Y. Kondo, S. Noguchi (KEK)
A 324-MHz, 3-MeV, H- RFQ Stabilized with pi-mode stabilizing loops (PISL's) is under construction at KEK. The design peak beam intensity and operating duty factor are 30 mA and 3% (600us*50Hz), respectively. The beam optics design, RF-structure design and RF-test results of the RFQ will be presented.
 A. Ueno and Y. Yamazaki, 'New Field Stabilization Method of a Four-vane Type RFQ ', Nucl. Instr. and Meth. A300, 15, (1991).
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