MO4I1
RIKEN Nishina Center, Wako, Japan
RIKEN, Saitama, Japan
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MO4I1 |
High Beam Power Operations at RIKEN RIBF: Technical Developments, Challenges and Resolutions | |
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| The Radioactive Isotope Beam Factory (RIBF) of RIKEN is a cyclotron-based heavy ion accelerator facility, which can accelerate heavy ions including uranium up to 345 MeV/u using an accelerator complex with a K2600-MeV Superconducting Ring Cyclotron (SRC) in the last stage to produce rare isotope beams in an in-flight technique. The first beam was obtained in 2006, and the beam service to the users was started in the following year. In the 15 years of developments since then, the intensity and stability of the heavy-ion beams have been significantly improved. For example, the uranium beam extracted from SRC reached 117 pnA with a beam power of 9.6 kW, exceeding the facility goal of 100 pnA set in 2011. Additionally, 70Zn beams have reached an intensity of 788 pnA and a beam power of 19.0 kW. The availability of the accelerator has also exceeded 90¥%. Various scientific results on unstable nuclei have been produced by such beams. The core experimental instrumentations, such as the Rare RI Ring, are now in operation, and further results are expected in the future. This paper will discuss the various technological developments that have been made since the start of RIBF acceleration and will provide future directions. | ||
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Slides MO4I1 [5.635 MB] | |
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