Magnetic Field Measurement of 2-m-Long Model of Beam Separation Dipole for the HL-LHC Upgrade

KEK has been developing a beam separation dipole magnet for the high luminosity large hadron collider upgrade. The magnet has a coil aperture of 150 mm and uses NbTi superconducting cable. A dipole magnetic field of 5.6 T is generated at 12 kA at 1.9 K to provide a field integral of 35 T·m. KEK has...

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Published inIEEE transactions on applied superconductivity Vol. 27; no. 4; pp. 1 - 5
Main Authors Enomoto, Shun, Sugano, Michinaka, Nakamoto, Tatsushi, Okada, Naoki, Kawamata, Hiroshi, Sasaki, Ken-ichi, Tanaka, Kenichi, Ohhata, Hirokatsu, Iida, Masahisa, Okada, Ryutaro, Takahashi, Naoto, Sugawara, Shigekatu, Higashi, Norio, Ogitsu, Toru, Kimura, Nobuhiro, Musso, Andrea, Todesco, Ezio
Format Journal Article
LanguageEnglish
Published IEEE 01.06.2017
Subjects
Current measurement
High luminosity LHC upgrade
Magnetic field measurement
Magnetic flux
Magnetic separation
MFM
Probes
Saturation magnetization
Superconducting magnets
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Summary:KEK has been developing a beam separation dipole magnet for the high luminosity large hadron collider upgrade. The magnet has a coil aperture of 150 mm and uses NbTi superconducting cable. A dipole magnetic field of 5.6 T is generated at 12 kA at 1.9 K to provide a field integral of 35 T·m. KEK has started the development of the first 2-m-long model magnet to evaluate the design and performance of the beam separation dipole magnet. The excitation test at 1.9 K of the first 2-m-long model magnet was performed from April to June 2016 at KEK. This paper presents the results of the magnetic field measurements of the first 2-m-long model magnet by a rotating coil probe.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2017.2650958