The design of a 4T dipole magnet for a fast cycling synchrotronis presented. The magnet will have a circular aperture of 100-110 mm indiameter. A single layer coil, made of hollow superconducting NbTi cabledesigned to operate at a current of 30kA is used. A magnetic field ramprate up to 4 T/s should be achievable. The SC coil will be cooled toT = 4.4 K with two-phase helium flow. The problems of magnetic fieldquality and mechanical stability of the cold mass are also discussed.
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机译：用于快速循环同步加速器的4T偶极磁体的设计
被表达。磁铁的圆形孔径为100-110毫米
直径。由空心超导NbTi电缆制成的单层线圈
设计使用的电流为30kA。磁场斜坡
速率应达到4 T / s。 SC线圈将冷却至
T = 4.4 K（两相氦气流动）。磁场问题
还讨论了冷块的质量和机械稳定性。
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