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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Takahashi, H. Agari, K. Hirose, E. Ieiri, M. Iio, M. Katoh, Y. Kiyomichi, A. Minakawa, M. Muto, R. Naruki, M. Noumi, H. Sato, Y. Sawada, S. Shirakabe, Y. Suzuki, Y. Takasaki, M. Tanaka, K.H. Toyoda, A. Watanabe, H. Yamanoi, Y. Ogata, K. Saijyo, M. Saitoh, Y. Katoh, K. Yahata, K. |
| Copyright Year | 2002 |
| Abstract | The target station in the hadron experimental facility at J-PARC consists of a production target and a huge vacuum chamber in which several secondary-beam-line magnets can work. This vacuum chamber system aims to remove the vacuum beam pipe from the magnet gap, because the cooling of the beam pipe is the most serious problem in the high intensity beam facility. We have developed indirectly cooled radiation-resistant magnets for the hadron target station. Their coils are made of solid-conductor type mineral-insulation cables and stainless-steel water pipes. They have the great advantages that electric circuits can be completely independent of water pass. The mechanical strength and the insulation performance of the coil are significantly improved also because the insulation water pipes can be avoided from the water pass. A C-type sector dipole and a figure-8-type quadrupole magnet have been fabricated by using indirectly cooled radiation-resistant magnet technology, and installed in the vacuum chamber. We have succeeded to operate them in vacuum stably with the current of DC 1000 A by improving the end structure of the MIC coils and increasing their emissivity. These magnets have been used for the real beam operation without any serious problems. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 344 |
| Ending Page | 347 |
| Page Count | 4 |
| File Size | 2578000 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 20 |
| Issue Number | 3 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnets Structural beams Particle beams Production Coils Vacuum systems Cables Insulation Cooling Circuits radiation resistant magnet High intensity accelerator high intensity beam lines |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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