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TY - CONF AU - Zaib-un-Nisa, .. AU - Dong, D.D. AU - Fukuda, S. AU - Lu, Z.J. AU - Pei, G. AU - Wang, S.C. AU - Xiao, O. AU - Zhou, Z.S. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - Design Study of Electron Gun for CEPC 650 MHz Klystron J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - This paper presents the design and simulation of an electron gun for 800 kW CW klystron of which frequency is 650 MHz for CEPC project. An electron gun with a modulating anode is designed using DGUN software. The uniform beam trajectories, with a beam perveance of 0.64μA/V 3/2 are simulated. We employed a Ba-dispenser cathode of radius 35 mm with Φ10 hole at the center and obtained a current density on cathode less than 0.45 A/cm². The beam trajectories were also simulated over whole tube length with a magnetic field of 207 Gauss. Expecting functions using the modulating anode gun are also described. Proposed beam tester and whole CEPC klystron layout are also shown in this paper. PB - JACoW CP - Geneva, Switzerland SP - 546 EP - 548 KW - gun KW - klystron KW - cathode KW - electron KW - simulation DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-MOPMY015 UR - http://jacow.org/ipac2016/papers/mopmy015.pdf ER -