2012/10/17 by Ming-Yang Huang, Shou-Yan Xu, Huang, Ming-Yang +6
Engineering · Physics and Astronomy · #Accelerator Physics (physics.acc-ph) #Engineering Applied Research #FOS: Physical sciences #physics.acc-ph
paper · pdf · doi:10.48550/arxiv.1210.4613
Submitted to proceedings of IPAC2012, New Orleans, Louisiana, USA, May 20-25, 2012
arxiv created 2012/10/17 · openalex publication_date 2012/10/17 · arxiv updated 2012/10/18 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The injection system of the China Spallation Neutron Source uses H- stripping and phase space painting method to fill large ring acceptance with the linac beam of small emittance. The emittance evolution, beam losses, and collimation efficiency during the injection procedures for different injection parameters, such as the injection emittances, starting injection time, twiss parameters and momentum spread, were studied, and then the optimized injection parameters was obtained. In addition, the phase space painting scheme which also affect the emittance evolution and beam losses were simulated and the optimization range of phase space painting were obtained. There will be wobble in the power supply of the injection bumps, and the wobble effects were presented. In order to study the transverse coupling, the injection procedures for different betatron tunes and momentum spreads were studied.