High current-related issues in KEKB/SuperKEKB RF operation

6 Mar 2025, 09:30
30m
304 (EPOCHAL)

304

EPOCHAL

Invited Oral Presentation WG11 : RF RF

Speaker

Tetsuya Kobayashi (High Energy Accelerator Research Organization)

Description

SuperKEKB accelerator is one of the world's highest luminosity collider with electron-positron asymmetric collision, which is aiming at 10 times higher luminosity than that KEKB achieved. In order to obtain the target luminosity, it is designed to store the unprecedented high current beams of 2.6 A and 3.6 A in the electron and positron rings, respectively. In this talk, concerns about RF operation for high current beam storage, which are based on the KEKB and SuperKEKB operation, will be reviewed, for example, about heavy beam-loading, coupled bunch instabilities, bunch-gap transient issues, and so on. Mainly, accelerating mode-related issues will be presented. The cures for the concerns will be also introduced.

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Primary author

Tetsuya Kobayashi (High Energy Accelerator Research Organization)

Presentation materials

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