Design study of a multibeam type IH-RFQ linac to accelerate high intensity and low energy heavy ion beams |
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| Authors: | Takuya Ishibashi Noriyosu Hayashizaki Toshiyuki Hattori Taku Ito Jun Tamura |
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| Affiliation: | Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, N1-25 2-12-1 O-okayama Meguro-ku, Tokyo 152-8550, Japan |
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| Abstract: | A multibeam Radio Frequency Quadrupole (RFQ) linac with an Interdigital H-mode (IH) structure has been developed for high intensity heavy-ion beam acceleration. The defocusing force of space charge effect is proportional to the beam current and to the inverse square of the beam velocity. Therefore, multibeam acceleration is an attractive scheme to suppress this in the low energy region. The electromagnetic field distribution and the beam dynamics were studied for a prototype. We discuss the configuration of the multibeam IH-RFQ linac and the results of these simulations. |
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| Keywords: | 29.17.+w 29.27.&minus a |
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