DOE OSTI · 2406262
Technological developments and accelerator improvements for the FRIB beam power ramp-up
Abstract
The Facility for Rare Isotope Beams (FRIB) began operation with 1 kW beam power for scientific users in May 2022 upon completion of 8 years of project construction. The ramp-up to the ultimate beam power of 400 kW, planned over a 6-year period, will enable the facility to reach its full potential for scientific discovery in isotope science and applications. In December 2023, a record-high beam power of 10.4 kW uranium was delivered to the target. Technological developments and accelerator improvements are being made over the entire facility and are key to completion of the power ramp-up. Major technological developments entail the phased deployment of high-power beam-intercepting systems, including the charge strippers, the charge selection systems, the production target, and the beam dump, along with support systems, including non-conventional utilities (NCU) and remote handling facilities. Major accelerator improvements include renovations to aging legacy systems associated with experimental beam lines and system automation for improved operational efficiency and better machine availability. Experience must be gained to safely handle the increased radiological impacts associated with high beam power; extensive machine studies and advanced beam tuning procedures are needed to minimize uncontrolled beam losses for the desired operating conditions. This paper discusses the technological developments and accelerator improvements with emphasis on major R&D efforts.
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Wei, J., Alleman, C., Ao, H., Arend, B., Barofsky, D., Beher, S., Bollen, G., Bultman, N., Casagrande, F., Chang, W., Choi, Y., Cogan, S., Cole, P., Compton, C., Cortesi, M., Curtin, J., Davidson, K., Di Carlo, S., Du, X., Elliott, K., Ewert, B., Facco, A., Fila, A., Fukushima, K., Ganni, V., Ganshyn, A., Ginter, T., Glasmacher, T., Gonzalez, A., Hao, Y., Hartung, W., Hasan, N., Hausmann, M., Holland, K., Hseuh, H. C., Ikegami, M., Jager, D., Jones, S., Joseph, N., Kanemura, T., Kim, S. H., Knowles, C., Konomi, T., Kortum, B., Kulkarni, N., Kwan, E., Lange, T., Larmann, M., Larter, T., Laturkar, K., LaVere, M., Laxdal, R. E., LeTourneau, J., Li, Z. -Y., Lidia, S., Machicoane, G., Magsig, C., Manwiller, P., Marti, F., Maruta, T., Metzgar, E., Miller, S., Momozaki, Y., Mugerian, M., Morris, D., Nesterenko, I., Nguyen, C., Ostroumov, P., Patil, M., Plastun, A., Popielarski, L., Portillo, M., Powers, A., Priller, J., Rao, X., Reaume, M., Rodriguez, S., Rogers, S., Saito, K., Sherrill, B. M., Smith, M. K., Song, J., Steiner, M., Stolz, A., Tarasov, O., Tousignant, B., Walker, R., Wang, X., Wenstrom, J., West, G., Witgen, K., Wright, M., Xu, T., Yamazaki, Y., Zhang, T., Zhao, Q., Zhao, S., Hurh, P., Prestemon, S., Shen, T.. 2024-05-13. Technological developments and accelerator improvements for the FRIB beam power ramp-up. https://doi.org/10.1088/1748-0221%2F19%2F05%2Ft05011
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