Title :
Higher order modes power loss in the vertical separators at CESR
Author_Institution :
Lab. of Nucl. Studies, Cornell Univ., Ithaca, NY, USA
Abstract :
CESR upgrade “phase III” is designed to operate with a total current of 1.0 ampere. It was clear to us that the “old” separators, built in 1978, will not be able to handle this amount of current. Therefore, the vertical separators were re-designed and three new separators were build. Two are installed in the north side of CESR. In order to study if the new separators will be able to support the high current beams designed for phase III, an accurate calorimetric system was designed and built on one of the vertical separators, 48E. Using this system we were able to study the total higher order modes power dissipation in each component of the separator and estimate the total HOM power loss at the higher currents
Keywords :
beam handling equipment; electron accelerators; storage rings; 2.7 m; 48E; CESR; HOM power loss; calorimeter; high current beams; higher order modes; phase III upgrade; power dissipation; power loss; vertical separators; Breakdown voltage; Electrodes; Ferrites; Flanges; Insulation; Niobium; Particle separators; Power measurement; Steel; Vacuum breakdown;
Conference_Titel :
Particle Accelerator Conference, 1997. Proceedings of the 1997
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-4376-X
DOI :
10.1109/PAC.1997.753389
