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TY - CONF AU - Gao, B. AU - Chi, Y.L. AU - Pei, S. ED - Schaa, Volker RW ED - Ji, Daheng ED - Li, Lu ED - Zhao, Ning TI - Design Studies on an S-band Hybrid Accelerating Structure J2 - Proc. of SAP2017, Jishou, China, 28-30 August 2017 C1 - Jishou, China T2 - Symposium on Accelerator Physics T3 - 13 LA - english AB - In an electron linac, the composition of the bunching system is determined by the synthetical consideration of the beam performance and the construction cost. In the industrial area, the bunching system is usually simplified to reduce the construction cost by eliminating the PB and integrating the B and the standard accelerating structure to form the β-varied structure. The bunching performance for this kind of system is relatively worse than that for the standard one. To keep the beam performance of the standard bunching system and reduce the construction cost as much as possible, the HAS is proposed by integrating the PB, the B and the standard TW accelerating structure together. The HAS can be widely applied in the industrial area to enhance the beam performance of the industrial linac but not increase the cost. In this paper, the design studies on an S-band (2856 MHz) HAS is presented. The HAS studied here is composed of 2 SW cells, 40 TW cells and 2 coupler cells. The on-axis electric field amplitude distribution simulated by HFSS can fully meet the beam dynamics requirement. PB - JACoW CP - Geneva, Switzerland SP - 92 EP - 95 KW - ion KW - bunching KW - simulation KW - electron KW - cavity DA - 2018/02 PY - 2018 SN - 978-3-95450-199-1 DO - 10.18429/JACoW-SAP2017-MOPH27 UR - http://jacow.org/sap2017/papers/moph27.pdf ER -