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TY - CONF AU - Duan, Z. AU - Chen, J. AU - Guo, Y.Y. AU - Jiao, Y. AU - Li, J.L. AU - Peng, Y.M. AU - Wang, J.Q. AU - Wang, N. AU - Xu, G. AU - Xu, H.S. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - The Swap-Out Injection Scheme for the High Energy Photon Source J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - The on-axis swap-out scheme is a promising injection scheme for di raction-limited storage rings, since it only re- quires a rather small dynamic aperture and thus potentially allows a higher brightness compared to traditional o -axis injection schemes. However, a full charge injector is neces- sary for this scheme and its design can be nontrivial, in par- ticular to satisfy the large single bunch charge requirements in special lling patterns for timing experiments. In the High Energy Photon Source, we propose using the booster also as a high energy accumulator ring to recapture the spent bunches extracted from the storage ring, so as to relax the challenges in generation and acceleration of bunches with a high charge, and as a cost-e ective solution compared to building a dedicated full energy accumulator ring. In this paper, the beam dynamics issues of this scheme will be presented, trade-o s between the storage ring and booster beam parameters and hardware specifications will also be discussed. PB - JACoW Publishing CP - Geneva, Switzerland SP - 4178 EP - 4181 KW - injection KW - booster KW - storage-ring KW - kicker KW - extraction DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-THPMF052 UR - http://jacow.org/ipac2018/papers/thpmf052.pdf ER -