Commissioning of the Superconducting Ring Cyclotron for the RIKEN RI Beam Factory

Since 1997, RIKEN Nishina Center has been constructing the Radioactive Isotope Beam Factory (RIBF) and succeeded in beam commissioning of its accelerator complex at the end of 2006. The world's first superconducting ring cyclotron (SRC) is the final booster in the RIBF accelerator complex which...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2008-06, Vol.18 (2), p.226-231
Main Authors: Okuno, H., Yamada, K., Ohnishi, J., Fukunishi, N., Ikegami, K., Maie, T., Hasebe, H., Kamigaito, O., Sakamoto, N., Kumagai, K., Yokouchi, S., Kase, M., Goto, A., Yano, Y.
Format: Article
Language:English
Subjects:
Acceleration
Accelerator
Accelerators
Applied sciences
Beams (radiation)
Coils
Commissioning
Cyclic accelerators and storage rings
cyclotron
Cyclotrons
Electrical engineering. Electrical power engineering
Electromagnets
Electronic tubes, masers
Electronics
Exact sciences and technology
Experimental methods and instrumentation for elementary-particle and nuclear physics
Ion accelerators
Isotopes
large superconducting magnet
Magnetic fields
Magnetic shielding
Manufacturing engineering
Nuclear physics
Particle beams
Physics
Production facilities
R&D
radioactive beam
Research & development
Superconducting coils
Superconducting magnets
Superconductivity
Testing
Various equipment and components
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Summary:Since 1997, RIKEN Nishina Center has been constructing the Radioactive Isotope Beam Factory (RIBF) and succeeded in beam commissioning of its accelerator complex at the end of 2006. The world's first superconducting ring cyclotron (SRC) is the final booster in the RIBF accelerator complex which is able to accelerate all-element heavy ions to a speed of about 70% of the velocity of light. Assembling of the superconducting sector magnets was completed in August 2005. The superconducting coils were successfully cooled down and excited for tests on many operational aspects: magnetic force, coil protection and quality of magnetic field, showing that they work as designed. After a series of tests the other components were installed and tested under stray fields from the sector magnets. Local magnetic shields were put to the components which could not work under the stray fields. After setups of beam vacuum and radio frequency, beam commissioning started. The first beam was extracted at the end of 2006 and the first uranium beam was extracted in March 2007.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2008.920559