Title :
Processing studies of X-band accelerator structures at the NLCTA
Author :
Adolphsen, C. ; Baumgartner, W. ; Jobe, K. ; Pimpec, F. Le ; Loewen, R. ; McCormick, D. ; Ross, M. ; Smith, T. ; Wang, J.W. ; Higo, T.
Author_Institution :
Linear Accel. Center, Stanford Univ., CA, USA
Abstract :
RF processing studies of 1.8-m X-band (11.4 GHz) traveling wave structures at the Next Linear Collider Test Accelerator (NLCTA) have revealed breakdown-related damage at gradients lower than expected from earlier tests with standing wave and shorter, lower group velocity traveling wave structures. To understand this difference, a series of structures with different group velocities and lengths are being processed. In parallel, efforts are being made to improve processing procedures and to reduce structure contaminants and absorbed gases. This paper presents results from these studies
Keywords :
accelerator cavities; electric breakdown; electron accelerators; linear colliders; 11.4 GHz; NLCTA; Next Linear Collider Test Accelerator; X-band accelerator structures; X-band traveling wave structures; absorbed gases; breakdown-related damage; group velocities; processing procedures; structure contaminants; Circuit testing; Costs; Electric breakdown; Gases; Impedance; Life estimation; Linear accelerators; Prototypes; Radio frequency; US Department of Energy;
Conference_Titel :
Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-7191-7
DOI :
10.1109/PAC.2001.987546
