Speaker
Kyosuke Adachi
(Kyushu University)
Description
The 3GeV Rapid-Cycling Synchrotron (RCS) at J-PARC supplies the beam to the Main Ring (MR). Under the current operating conditions, there is the longitudinal beam mismatch between RCS and MR. To improve the RCS-MR longitudinal matching, a method for the bunch lengthening of RCS at the extraction is proposed. The method is based on introducing a second harmonic RF voltage at beam extraction and placing the beam at the unstable fixed point. The considerations of the bunch lengthening in the RCS are described in this presentation. The focus is on optimizing the second harmonic RF voltage pattern. Demonstrations of introducing a second harmonic RF voltage are also discussed.
| Region represented | Asia |
|---|---|
| Paper preparation format | LaTeX |
Author
Kyosuke Adachi
(Kyushu University)
Co-authors
Chihiro Ohmori
(Japan Proton Accelerator Research Complex)
Fumihiko Tamura
(Japan Atomic Energy Agency)
Dr
Hidefumi Okita
(Japan Atomic Energy Agency)
Katsushi Hasegawa
(High Energy Accelerator Research Organization)
Keigo Hara
(High Energy Accelerator Research Organization)
Kiyomi Seiya
(High Energy Accelerator Research Organization)
Masahiro Nomura
(Japan Atomic Energy Agency)
Masahito Yoshii
(High Energy Accelerator Research Organization)
Ryosuke Miyakoshi
(Japan Proton Accelerator Research Complex)
Taihei Shimada
(Japan Atomic Energy Agency)
Yasuyuki Sugiyama
(High Energy Accelerator Research Organization)
