50mA?RFQ

1
50mA?RFQ

• Y. Kondo, H. Hasegawa, J.Sawada, A. Ueno

2
????
3
Beam optics design

• KEKRFQ?cell parameter?design?PARMTEQM?beam
  simulation?
• ?????????Fs
• -30?-35

4
Beam simulation ??-1
5
Beam simulation ??-2
6
Beam optics design ???
7
Cavity ??

• ?? ????
• ????????????
• ??????vane??????????
• ?????
• SUPERFISH(pisl??) f334.444MHz
• MAFIA(pisl??) f322.4117MHz
• MAFIA(pisl??) f332.8667MHz
• 334.444-(332.8667-322.4117)
• 323.989MHz

8
?????

• 30mA
• 215mm(pisl?)x13
• 160mmx23115mm
• 50mA
• 210mmx19
• 150mm143mm
• 4283mm

9
Cold model
10
???????

• Q-mode?????????????-50kHz?
• D-mode??????484kHz?

11
Vane???
12
????????Field??
f325.190
f325.006
???????????
???????????

• ???????????????????????field????????????
• ?????????????field??????????????184kHz???vane?gap?
  ??18mm????

13
Summary

• ?????????(peak current 50mA?duty
  3)????RFQ??????????
• ??????????????????????????
• Cold model????????????????????????????????????????
  ?????????(?????10mm??)?
• 2001??????1/3????(????????????)????High
  power??????????