Title :
Design of the SNS cavity support structure
Author :
Hogan, J. ; Ciovati, G. ; Machie, D. ; Pitts, J. ; Preble, J. ; Schneider, W.J. ; Smith, K. ; Turlington, L. ; Matsumoto, K. ; Mitchell, R.
Author_Institution :
Thomas Jefferson Nat. Accelerator Facility, Newport News, VA, USA
fDate :
6/23/1905 12:00:00 AM
Abstract :
The Spallation Neutron Source (SNS) facility utilizes a superconducting linac to provide a 1 GeV H- beam with an average power of 2 MW. A critical part of the accelerator structure is the superconducting radio frequency (SRF) niobium. cavities, which are housed in a titanium liquid helium pressure vessel. These vessels maintain the operating temperature of 2.1 Kelvin while facilitating the mechanical support, tuning and alignment of the SRF cavities. The design, fabrication and operation of the superconducting support structure will be presented with an emphasis on the design criteria as they pertain to the operation of the cavity. These criteria will be discussed with respect to the titanium liquid helium pressure vessels, higher order mode couplers, fundamental power coupler, field probe and tuning requirements
Keywords :
accelerator cavities; ion accelerators; linear accelerators; neutron sources; pressure vessels; superconducting cavity resonators; waveguide couplers; 2.1 K; SNS; Spallation Neutron Source; field probe; fundamental power coupler; higher order mode couplers; pressure vessels; superconducting RF cavities; superconducting linac; support structure; tuning; Couplers; Helium; Linear particle accelerator; Neutrons; Niobium; Particle beams; Radio frequency; Superconducting devices; Temperature; Titanium;
Conference_Titel :
Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001
Print_ISBN :
0-7803-7191-7
DOI :
10.1109/PAC.2001.986612
