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TY - CONF AU - Harkay, K.C. AU - Abid, I.A. AU - Berenc, T.G. AU - Berg, W. AU - Blednykh, A. AU - Borland, M. AU - Brill, A.R. AU - Bromberek, D.J. AU - Byrd, J.M. AU - Calvey, J.R. AU - Carvelli, J. AU - Dooling, J.C. AU - Emery, L. AU - Fors, T. AU - Fystro, G.I. AU - Goel, A. AU - Hui, D. AU - Keane, R.T. AU - Laird, R. AU - Lenkszus, F. AU - Lindberg, R.R. AU - Lumpkin, A.H. AU - Madden, T.J. AU - Micklich, B.J. AU - Morrison, L.H. AU - Pasky, S.J. AU - Sajaev, V. AU - Sereno, N. AU - Shang, H. AU - Smith, T.L. AU - Stevens, J.B. AU - Sun, Y. AU - Waldschmidt, G.J. AU - Wang, J. AU - Wienands, U. AU - Wootton, K.P. AU - Xiao, A. AU - Yang, B.X. AU - Yang, Y. AU - Yao, C. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan TI - High-Charge Injector for on-Axis Injection Into A High-Performance Storage Ring Light Source J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Partile Accelerator Conference T3 - 10 LA - english AB - Next-generation, high-performance storage ring light sources based on multibend achromat optics will require on-axis injection because of the extremely small dynamic aperture. Injectors will need to supply full-current bunch replacement in the ring with high single-bunch charge for swap-out. For upgrades of existing light sources, such as the Advanced Photon Source Upgrade (APS-U), it is economical to retain the existing injector infrastructure and make appropriate improvements. The challenges to these improvements include achieving high single-bunch charge in the presence of instabilities, beam loading, charge stability and reliability. In this paper, we discuss the rationale for the injector upgrades chosen for APS-U, as well as backup and potential alternate schemes. To date, we have achieved single-bunch charge from the injectors that doubles the original design value, and have a goal to achieve about three times the original design value. PB - JACoW Publishing CP - Geneva, Switzerland SP - 3423 EP - 3426 KW - booster KW - injection KW - synchrotron KW - storage-ring KW - emittance DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-THYYPLM3 UR - http://jacow.org/ipac2019/papers/thyyplm3.pdf ER -