Indirectly Cooled Radiation-Resistant Magnet With Slanting Saddle Shape Coils for New Secondary Beam Extraction at J-PARC Hadron Facility

We have developed the most upstream dipole magnet K1.1D1 for a new secondary beam line at the hadron experimental hall in J-PARC. It is placed downstream of a production target and is close to the K1.8D1 magnet. Indirectly cooled coils using mineral insulation cables have been adopted for high radia...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2012-06, Vol.22 (3), p.4101504-4101504
Hauptverfasser:	Takahashi, H., Agari, K., Hirose, E., Ieiri, M., Iio, M., Katoh, Y., 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., Kawada, T., Ogata, K., Saijyo, M., Saitoh, Y., Satoh, Y., Katoh, K., Yahata, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Autumn Beams (radiation) Coils Electrical engineering. Electrical power engineering Electromagnets Exact sciences and technology Hadrons High intensity accelerator high intensity beam lines Insulation Magnetic field measurement Magnetic fields Magnetic noise Magnetic shielding Microwave integrated circuits radiation resistant magnet Saddles Superconducting magnets Superconductivity Various equipment and components Windings
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Zusammenfassung:	We have developed the most upstream dipole magnet K1.1D1 for a new secondary beam line at the hadron experimental hall in J-PARC. It is placed downstream of a production target and is close to the K1.8D1 magnet. Indirectly cooled coils using mineral insulation cables have been adopted for high radiation resistance. The coils have a slanting saddle shape in order to minimize the interference of the magnetic field between the two magnets. It has been operated during the beam time in the autumn of 2010 without any problems.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/TASC.2011.2174820