Author: Li, M.
Paper Title Page
THPHA122 Optimization and Upgrade of Slow Extraction Control System for HIRFL CSR Main Ring 1663
  • Y.C. Chen
    Chen Yucong, ChengGuan, People's Republic of China
  • J.M. Dong, Y.C. Feng, M. Li, S. Li, W.L. Li, R.S. Mao, J. Shi, T.C. Zhao
    IMP/CAS, Lanzhou, People's Republic of China
  The heavy ion beam from Heavy Ion Research Facility in Lanzhou (HIRFL) CSR Main Ring (CSRm) is slowly extracted by using a third-order resonance driven by sextupole magnets and delivered to various experimental facilities. The slow extraction is driven by the transverse radio frequency knockout (RF-KO) exciter. Many physics and radiation medicine experiments require high-quality spill-structure. In other words, the extracted spill should have flat structure and low ripple noise [1]. Therefore, a novel RF-KO exciter and spill feedback control system has been implemented and tested in CSRm.
[1] Onuma S, Ichikawa T, Mochiki K I, et al. DEVELOPMENT OF SPILL CONTROL SYSTEM FOR THE J-PARC SLOW EXTRACTION[J]. Proceedings of Pac, 2009.
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