| | - Z. Q. Li, G. W. Wang, W. M. Pan, Y. Sun, S. P. Li, Q. Ma
IHEP, CAS - T. Furuya, S. Mitsunobu, K. Akai, Y. Yamamoto
KEK - Y. Kijima, M. Arakawa, Y. Okada
MELCO, Mitsubishi Electric Co.
| |
| | Two KEKB type HOM damped SC cavities were
constructed during past three years. These SC modules
were re-designed to meet the RF frequency of 500 MHz
of the BEPCII, the upgrade project of the Beijing Electron
and Positron Collider, and have already been operated
smoothly. It is a product of the successful collaboration
among Mitsubishi Electric Co. (MELCO), KEK and
IHEP of China. The cavity modules were fabricated and
surface-treated by MELCO with the help and support of
KEK. The vertical test of niobium cell, and the high
power test of couplers and dampers were carried out in
KEK, and the final acceptance tests were done in IHEP. | |