E. KAKO (KEK) 2009' Dec. 22 S1-G Webex meeting

Global Design Effort

1

Final Results of KEK Cavitiesfor S1-Global

Eiji Kako

(KEK, Japan)

E. KAKO (KEK) 2009' Dec. 22 S1-G Webex meeting

Global Design Effort

2STF1 S1-Global

STF Phase-1ave. Eacc,max

= 23 MV/m

S0

4 KEK cavities for S1-Gave. Eacc,max = 29 MV/m

E. KAKO (KEK) 2009' Dec. 22 S1-G Webex meeting

Global Design Effort

3

4 MHI cavities for S1-Gave. Eacc,max = 29 MV/m

(2008, Dec. ~ 2009, Dec.)

4 MHI cavities for STF-1ave. Eacc,max = 23

MV/m(2006, Feb. ~ 2007, Feb.)

Final VT Results of MHI Cavities

E. KAKO (KEK) 2009' Dec. 22 S1-G Webex meeting

Global Design Effort

4

Eacc,max (cell) by Passbands modes Meas.

MHI-053rd

mode; Eacc,max = 27.1 MV/m

QuenchMHI-066th

mode; Eacc,max = 27.7 MV/m

Quench byField emission

mode; Eacc,max = 27.0 MV/m

MHI-093rd

Quench

mode; Eacc,max = 33.6 MV/m

MHI-072nd

Quench

E. KAKO (KEK) 2009' Dec. 22 S1-G Webex meeting

Global Design Effort

5

Summary

Four KEK cavities for S1-Global

MHI-05 cavity, Eacc,max = 27.1 MV/mMHI-06 cavity, Eacc,max = 27.7 MV/mMHI-07 cavity, Eacc,max = 33.6 MV/mMHI-09 cavity, Eacc,max = 27.0 MV/m

Average Eacc,max = 28.9 MV/m