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IFMIF/EVEDA原型加速器の開発現状

Present status of IFMIF/EVEDA prototype accelerator

春日井 敦; IFMIF/EVEDA原型加速器統合チーム*

Kasugai, Atsushi; ILIC Unit*

日欧の幅広いアプローチ(BA)活動のもと、核融合原型炉の材料照射試験のためIFMIF(国際核融合材料照射施設)の工学設計・工学実証活動(EVEDA)が進められている。この活動の一部として、IFMIF/EVEDA原型加速器(LIPAc)の組立・調整・試験がIFMIFの初段加速(重陽子で9MeV/125mA/CW)の工学実証段階に入っている。LIPAcの入射器の調整・試験はまさにちょうど六ヶ所サイトで始められたばかりである。入射器のビーム試験が完了した後には、RFQ, MEBT, 診断系, HEBT, ビームダンプの据付け・調整・試験を、BA活動の期間内に段階的に実施する予定である。

The IFMIF (International Fusion Materials Irradiation Facility) project aiming at material tests for a future fusion DEMO reactor is under the Engineering Validation and Engineering Design Activities (EVEDA) phase in the Broader Approach (BA) Agreement of fusion program between Japan and EU. As a part of the activities, the installation and commissioning of the Linear IFMIF Prototype Accelerator (LIPAc) is at the stage of demonstration of the feasibility of the low energy section of an IFMIF deuteron accelerator up to 9 MeV with a beam current of 125 mA in CW. The installation and the beam commissioning of LIPAc injector have just started at Rokkasho, Japan. After the commissioning of the injector, RFQ, MEBT, D-Plate, HEBT, beam dump and SRF linac will be installed and tested in step-by-step approach until the BA period.

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