Author: Ahn, M.Y.
Paper Title Page
THAFP06 Beam Dynamics Study of a 400 kW D⁺ Linear Accelerator to Generate Fusion-Like Neutrons for Breeding Blanket Tests in Korea 411
 
  • Y.L. Cheon, M.Y. Ahn, S. Cho, H.W. Kim
    KFE, Daejeon, Republic of Korea
  • M. Chung, E. Cosgun, D. Kwak, S.H. Moon
    UNIST, Ulsan, Republic of Korea
 
  Re­cently, a pre-con­cep­tual de­sign study was con­ducted in Korea for de­vel­op­ing a ded­i­cated lin­ear ac­cel­er­a­tor (linac) for 400 kW (40 MeV, max­i­mum 10 mA CW) deuteron (D⁺) beams to gen­er­ate fu­sion-like neu­trons*. The ac­cel­er­ated beam hits a solid Beryl­lium tar­get to pro­duce fu­sion-like neu­trons, which will be uti­lized for tech­ni­cal fea­si­bil­ity tests of the breed­ing blan­ket in­clud­ing tri­tium pro­duc­tion and re­cov­ery**. In this work, we pre­sent a de­tailed start-to-end sim­u­la­tion and ma­chine im­per­fec­tion stud­ies with proper beam tun­ing, to ac­cess the tar­get beam avail­abil­ity and val­i­date the ma­chine spec­i­fi­ca­tions. We have de­signed the 2.45 GHz ECR ion source and a 4-vane type 176 MHz RFQ by using IB­Simu, Parmteq, and Tou­tatis sim­u­la­tion codes. We pro­pose a su­per-con­duct­ing linac with HWR cav­i­ties and so­le­noid fo­cus­ing mag­nets to ac­cel­er­ate the beam up to 40 MeV. In the HEBT line, we adopt two oc­tu­pole mag­nets and sub­se­quent quadrupoles to make a rec­tan­gu­lar-shaped and uni­form-den­sity beam with 20 cm x 20 cm foot­print at the tar­get. Ex­ten­sive beam dy­nam­ics stud­ies along the linac have been per­formed using the Tracewin sim­u­la­tion code.
* Y-L. Cheon et al., Journal of the Korean Physical Society (2023): 1-14.
** S-H. Hong et al., Fusion Engineering and Design 189 (2023): 113449.
 
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DOI • reference for this paper ※ doi:10.18429/JACoW-HB2023-THAFP06  
About • Received ※ 26 September 2023 — Revised ※ 05 October 2023 — Accepted ※ 11 October 2023 — Issued ※ 21 October 2023
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