Speaker
Xudong Wang
(High Energy Accelerator Research Organization)
Description
A prototype REBa2Cu3Oy (REBCO) sextupole magnet was designed and fabricated for the chromaticity correction of an asymmetric–energy collider, named SuperKEKB. The REBCO sextupole magnet consists of six two-layer-rectangular coils, which are wound with a 4-mm-wide coated conductor and impregnated with epoxy resin. The inner bore radius and magnet length are 75 mm and 200 mm, respectively. The designed magnetic field strength is 200 T/m2 at a nominal current of 250 A and an operation temperature of 30 K. We conducted a series of experiments on the REBCO sextupole magnet after the fabrication. In this paper, we present the excitation and magnetic field results at 4.2 K.
Authors
Xudong Wang
(High Energy Accelerator Research Organization)
Kiyosumi Tsuchiya
(KEK)
Dr
Yasushi Arimoto
(KEK)
Akio Terashima
(KEK)
Ryuichi Ueki
(KEK)
Zhanguo Zong
(KEK)
Masanori Kawai
(High Energy Accelerator Research Organization (KEK))
Mika Masuzawa
(KEK)
Norihito Ohuchi
(KEK)
Masafumi Tawada
(KEK)
Akihiro Kikuchi
(NIMS)
