| Paper | Title | Page |
|---|---|---|
THXA03 |
Simultaneous Top-Up Injection Into Four Storage Rings at SuperKEKB | |
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| The injector linac at KEK is being upgraded for SuperKEKB, where ten-times smaller emittance and five-times larger current in injection beam are required as compared to KEKB. An RF gun and damping ring were built to generate low emittance beams for the SuperKEKB electron (HER) and positron (LER) beams, respectively. A pulse-to-pulse beam modulation scheme for delivery of beam to the 7 GeV HER and 4 GeV LER, as well as to the 2.5 GeV Photon Factory (PF) ring and the and 6.5 GeV PF-AR ring, has been successfully developed, and simultaneous top-up injections are carried out during SuperKEKB Phase III commissioning. The linac upgrades needed for these simultaneous top-up injections are reported here. | ||
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