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Title: Design approach for the development of a cryomodule for compact crab cavities for Hi-Lumi LHC

A prototype Superconducting RF (SRF) cryomodule, comprising multiple compact crab cavities is foreseen to realise a local crab crossing scheme for the “Hi-Lumi LHC”, a project launched by CERN to increase the luminosity performance of LHC. A cryomodule with two cavities will be initially installed and tested on the SPS drive accelerator at CERN to evaluate performance with high-intensity proton beams. A series of boundary conditions influence the design of the cryomodule prototype, arising from; the complexity of the cavity design, the requirement for multiple RF couplers, the close proximity to the second LHC beam pipe and the tight space constraints in the SPS and LHC tunnels. As a result, the design of the helium vessel and the cryomodule has become extremely challenging. This paper assesses some of the critical cryogenic and engineering design requirements and describes an optimised cryomodule solution for the evaluation tests on SPS.
Authors:
; ; ;  [1] ; ;  [2] ; ;  [3] ;  [4] ;  [5]
  1. Accelerator Science and Technology Centre, STFC Daresbury Laboratory, Warrington WA44AD, UK and Cockcroft Institute, STFC Daresbury Laboratory, Warrington, WA44AD (United Kingdom)
  2. Technology Group, STFC Daresbury Laboratory, Warrington, WA44A (United Kingdom)
  3. University of Lancaster, Lancaster, UK and Cockcroft Institute, STFC Daresbury Laboratory, Warrington, WA44AD (United Kingdom)
  4. University of Lancaster, Lancaster, UK and TE-MSC-C, CERN, Geneva (Switzerland)
  5. Technical Division, Fermilab, P.O. Box 500, Batavia, IL 60510 (United States)
Publication Date:
OSTI Identifier:
22263978
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1573; Journal Issue: 1; Conference: International cryogenic materials conference, Anchorage, AK (United States), 17-21 Jun 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BOUNDARY CONDITIONS; CERN; COOLING; DESIGN; ENGINEERING; EVALUATION; HELIUM; PROTON BEAMS