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The multi-beam acceleration method, which is technique for accelerating low energy, high intensity, heavy ion beams by accelerating multiple beams to decreasing the space charge effect, and integrating these beams by a beam funneling system [1]. Working towards the commercialization of this method, at the Tokyo Institute of Technology we have been developing a 4 beam IH-RFQ linac. As part of the design work for the 4 beam IH-RFQ linac, we evaluated the cell parameters of the RFQ electrodes using a RFQ design code and a beam dynamics simulation code. Also, we evaluated the RF properties of several electrode layouts using a three dimensional electromagnetic simulation code. This paper reports on the results.
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