Keyword: heavy-ion
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WEDC3 Status of FRIB Commissioning linac, MMI, ECR, ECRIS 203
  • P.N. Ostroumov, F. Casagrande, K. Fukushima, M. Ikegami, T. Kanemura, S.H. Kim, S.M. Lidia, G. Machicoane, T. Maruta, D.G. Morris, A.S. Plastun, J.T. Popielarski, J. Wei, T. Xu, T. Zhang, Q. Zhao, S. Zhao
    FRIB, East Lansing, Michigan, USA
  Funding: Work supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC0000661, the State of Michigan and Michigan State University.
The Facility for Rare Isotope Beams (FRIB), a major nuclear physics facility for research with fast, stopped, and reaccelerated rare isotope beams, is approaching the commencement of user operation in 2022 as planned. The readiness of the linear accelerator for the production of rare isotopes was verified by the acceleration of Xenon-124 and Krypton-86 heavy ion beams to 212 MeV/u using all 46 cryomodules with 324 superconducting cavities. Several key technologies were successfully developed and implemented for the world’s highest energy continuous wave heavy ion beams, such as full-scale cryogenics and superconducting radiofrequency resonator system, stripping heavy ions with a thin liquid lithium film flowing in an ultrahigh vacuum environment, and simultaneous acceleration of multiple-charge-state-heavy ion beams. These technologies are required to achieve ultimate FRIB beam energies beyond 200 MeV/u and beam power up to 400 kW. High intensity pulsed beams capable in delivering 200 kW beams to the target in CW mode were studied in the first segment of the linac.
slides icon Slides WEDC3 [2.437 MB]  
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About • Received ※ 16 October 2021 — Revised ※ 20 October 2021 — Accepted ※ 22 November 2021 — Issue date ※ 24 December 2021
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THBC1 Beam Acceleration with the Upgraded Riken Heavy-Ion Linac emittance, optics, target, beam-transport 231
  • T. Nishi, M. Fujimaki, N. Fukunishi, H. Imao, O. Kamigaito, T. Nagatomo, N. Sakamoto, A. Uchiyama, T. Watanabe, Y. Watanabe, K. Yamada
    RIKEN Nishina Center, Wako, Japan
  The performance of RIKEN heavy-ion linac (RILAC) has been upgraded with a new ECR ion source and superconducting linac booster (SRILAC). It is expected to play a major role in the synthesis of super-heavy elements (SHE), development of the technologies for production of medical radioisotopes, and as a powerful injector to RI Beam Factory. In this talk, I will report on the beam delivery for the SHE experiment that started in June 2020, especially on how to adjust the optics based on the measured beam emittance. We would also like to compare the simulated beam acceleration in RILAC with the measured emittance.  
DOI • reference for this paper ※  
About • Received ※ 09 November 2021 — Revised ※ 16 November 2021 — Accepted ※ 23 November 2021 — Issue date ※ 27 November 2021
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