The linac to the transmuter beam transport line （LTBT） connecting the end of the linac to the spallation target is a critical sub-system in the accelerator driven system （ADS）. It has the function of transporting ...The linac to the transmuter beam transport line （LTBT） connecting the end of the linac to the spallation target is a critical sub-system in the accelerator driven system （ADS）. It has the function of transporting the accel-erated high power proton beam to the target with a beam footprint satisfying the special requirements of the minor actinide （MA） transmuter. In this paper, a preliminary conceptual design of the hurling magnet to transmuter beam transport section （HTBT）, as a part of the LTBT, for the China ADS （C-ADS） system is proposed and developed. In this design, a novel hurling magnet with a two dimensional amplitude modulation （AM） of 1 kHz and scanning of more than 10 kHz at 360 in transverse directions is used to realize a 300 mm diameter uniform distribution of beam on target. The preliminary beam optics design of C-ADS HTBT optimized to minimize the beam loss on the vacuum chamber and the radiation damage caused by back-scattering neutrons will be reported.展开更多
基金Supported by National Natural Science Foundation of China (11045003, 10975150)
文摘The linac to the transmuter beam transport line （LTBT） connecting the end of the linac to the spallation target is a critical sub-system in the accelerator driven system （ADS）. It has the function of transporting the accel-erated high power proton beam to the target with a beam footprint satisfying the special requirements of the minor actinide （MA） transmuter. In this paper, a preliminary conceptual design of the hurling magnet to transmuter beam transport section （HTBT）, as a part of the LTBT, for the China ADS （C-ADS） system is proposed and developed. In this design, a novel hurling magnet with a two dimensional amplitude modulation （AM） of 1 kHz and scanning of more than 10 kHz at 360 in transverse directions is used to realize a 300 mm diameter uniform distribution of beam on target. The preliminary beam optics design of C-ADS HTBT optimized to minimize the beam loss on the vacuum chamber and the radiation damage caused by back-scattering neutrons will be reported.
