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TY - CONF AU - Baxevanis, P. AU - Huang, Z. AU - Stupakov, G. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Angular Trajectory Kicks in a High-Gain Free-Electron Laser J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - In a free-electron laser (FEL), transverse momentum offsets (or kicks) are introduced either inadvertently (through wakefields or mis-steering of the electron beam) or as part of dedicated schemes that require off-axis radiation propagation. Studying the influence of this effect on the performance of machines such as LCLS-I/II is critical both from a tolerance point of view and for its practical applications. A theoretical analysis of a high-gain FEL driven by such a kicked beam will be presented, with a critical evaluation of previous studies. PB - JACoW CP - Geneva, Switzerland SP - 2830 EP - 2832 KW - electron KW - FEL KW - radiation KW - laser KW - free-electron-laser DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-WEPAB108 UR - http://jacow.org/ipac2017/papers/wepab108.pdf ER -