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Open Access Publications from the University of California

Advances of the FRIB project

  • Author(s): Wei, J
  • Ao, H
  • Beher, S
  • Bultman, N
  • Casagrande, F
  • Cogan, S
  • Compton, C
  • Curtin, J
  • Dalesio, L
  • Davidson, K
  • Dixon, K
  • Facco, A
  • Ganni, V
  • Ganshyn, A
  • Gibson, P
  • Glasmacher, T
  • Hao, Y
  • Hodges, L
  • Holland, K
  • Hosoyama, K
  • Hseuh, HC
  • Hussain, A
  • Ikegami, M
  • Jones, S
  • Kanemura, T
  • Kelly, M
  • Knudsen, P
  • Laxdal, RE
  • Letourneau, J
  • Lidia, S
  • Machicoane, G
  • Marti, F
  • Miller, S
  • Momozaki, Y
  • Morris, D
  • Ostroumov, P
  • Popielarski, J
  • Popielarski, L
  • Prestemon, S
  • Priller, J
  • Ren, H
  • Russo, T
  • Saito, K
  • Stanley, S
  • Wiseman, M
  • Xu, T
  • Yamazaki, Y
  • et al.

The Facility for Rare Isotope Beams (FRIB) Project has entered the phase of beam commissioning starting from the room-temperature front end and the superconducting linac segment of first 15 cryomodules. With the newly commissioned helium refrigeration system supplying 4.5K liquid helium to the quarter-wave resonators and solenoids, the FRIB accelerator team achieved the sectional key performance parameters as designed ahead of schedule accelerating heavy ion beams above 20MeV/u energy. Thus, FRIB accelerator becomes world's highest-energy heavy ion linear accelerator. We also validated machine protection and personnel protection systems that will be crucial to the next phase of commissioning. FRIB is on track towards a national user facility at the power frontier with a beam power two orders of magnitude higher than operating heavy-ion facilities. This paper summarizes the status of accelerator design, technology development, construction, commissioning as well as path to operations and upgrades.

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