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TY - CONF AU - Mitchell, C.E. AU - Emma, P. AU - Qian, H.J. AU - Qiang, J. AU - Raubenheimer, T.O. AU - Sannibale, F. AU - Schmerge, J.F. AU - Venturini, M. AU - Zhou, F. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - RF Injector Beam Dynamics Optimization and Injected Beam Energy Constraints for LCLS-II J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - LCLS-II is a proposed high-repetition rate (>1 MHz) Free Electron Laser (FEL) X-ray light source, based on a CW, superconducting linac, to be built at SLAC National Accelerator Laboratory. The injector technology is based on a high-repetition rate RF photoinjector gun developed as part of the Advanced Photoinjector Experiment (APEX) at Lawrence Berkeley National Laboratory. Exploration of the injector design settings is performed using a multiobjective genetic optimizer to optimize the beam quality at the injector exit (~100 MeV). In this paper, we describe the current status of LCLS-II injector design optimization, with a focus on the sensitivity of the optimized solutions to the beam energy at the injector exit, which is constrained by the requirements of the downstream laser heater system. PB - JACoW CP - Geneva, Switzerland SP - 1699 EP - 1702 KW - cavity KW - laser KW - emittance KW - electron KW - gun DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-TUPOR019 UR - http://jacow.org/ipac2016/papers/tupor019.pdf ER -