Design Of A Superconducting Magnet For The Lns Cyclotron
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY(2016)
摘要
The Massachusetts Institute of Technology has been collaborating with the Laboratori Nazionali del Sud, Istituto Nazionale di Fisica Nucleare (INFN), in Catania, Sicily, on the conceptual design of a replacement magnet for the existing LNS cyclotron used by INFN. The existing magnet was built in the early 1980s. Future nuclear physics experiments require an upgrade of the superconducting cyclotron to increase the intensity of beams by a factor of 10-100. To achieve this goal, the extraction channel through the superconducting magnet needs to be larger than the present one in both the radial and axial directions. It is for these reasons that a new superconducting magnet fitting the new requirements must be built to replace the present one. Magnetic analyses succeeded in defining a coil set satisfying the specified field form factors. Several design options were considered, including a cryostable liquid-helium-pool-cooled design, as well as several epoxy impregnated (potted) designs. The potted and helium-pooled magnet design was developed at the conceptual level. The proposed design is viable and will be used as the baseline for the next stages of the design work.
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关键词
Cyclotron, superconductingmagnet
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