Performance of the painting injection of the 3-GeV RCS in J-PARC

Takayanagi, Tomohiro   ; Harada, Hiroyuki*; Ueno, Tomoaki; Irie, Yoshiro*; Kinsho, Michikazu  ; Yoshimoto, Masahiro  ; Kamiya, Junichiro   ; Watanabe, Masao  ; Sato, Kenichiro*

The examination of the painting injection of the 3-GeV RCS in J-PARC has been performed. The gap of the shift bump magnet was adjusted by the insulator thin sheets that thickness was decided by the experimental results and the analysis results. The integrated magnetic field will be zero and the displacement of the beam orbit was less than 1mm, which was confirmed by the beam examination of the response characteristic. Furthermore, the balance adjustment the exciting current revel and the magnetic field level that is the horizontal paint bump magnets were confirmed. So the positive proof of the beam control for the beam painting has been obtained.