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TY - CONF AU - Furukawa, K. ED - Li, Ying-ying ED - Li, Lu ED - Schaa, Volker RW TI - KEKB Injection Developments J2 - Proc. of eeFACT2018, Hong Kong, China, 24-27 September 2018 CY - Hong Kong, China T2 - ICFA ABDW on High Luminosity Circular e$^+$e$^-$ Colliders T3 - 62 LA - english AB - The e⁻/e⁺ SuperKEKB collider is now under commissioning. As e⁻/e⁺ beam injection for SuperKEKB greatly depends on the efforts during the previous KEKB project, the injection developments during KEKB are outlined as well as the improvements towards SuperKEKB. When KEKB was commissioned, approximately ten experimental runs per day were performed with e⁻/e⁺ injections in between. As another collider PEP-II had a powerful injector SLAC, the KEKB injector had to make a few improvements seriously, such as injection of two bunches in a pulse, continuous injection scheme, eventual simultaneous top-up injections, as well as many operational optimizations. The design of SuperKEKB further required the beam quality improvements especially in the lower beam emittance for the nano-beam scheme, as well as in the beam current for the higher ring stored current and the shorter lifetime. PB - JACoW Publishing CP - Geneva, Switzerland SP - 121 EP - 125 KW - injection KW - linac KW - operation KW - controls KW - luminosity DA - 2019/04 PY - 2019 SN - 978-3-95450-216-5 DO - DOI: 10.18429/JACoW-eeFACT2018-TUPAB01 UR - http://jacow.org/eefact2018/papers/tupab01.pdf ER -