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Status of a Single-Aperture 11 T Nb3Sn Demonstrator Dipole for LHC Upgrades

Conference · · Conf.Proc.
OSTI ID:1419186
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  1. Fermilab
  2. CERN
+ Show Author Affiliations
The planned upgrade of the LHC collimation system includes two additional collimators to be installed in the dispersion suppressor areas of points 2, 3 and 7. The necessary longitudinal space for the collimators could be provided by replacing some 8.33 T NbTi LHC main dipoles with 11 T dipoles based on Nb3Sn superconductor and compatible with the LHC lattice and main systems. To demonstrate t his possibility Fermilab and CERN have started in 2011 a joint R&D program with the goal of building b y 2014 a 5.5-m long twin-aperture dipole prototype suitable for installation in the LHC. The first step of this program is the development of a 2-m long single-aperture demonstration dipole with the nominal field of 11 T at the LHC nominal current of ~11. 85 kA and 60 mm bore with ~20% margin. This paper describes the design, construction and test results of the single-aperture Nb3Sn demonstrator model for the LHC collimation system upgrade.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1419186
Report Number(s):
FERMILAB-CONF-12-234-TD; IPAC-2012-TUOAC03; 1125170
Conference Information:
Journal Name: Conf.Proc. Journal Volume: C1205201
Country of Publication:
United States
Language:
English

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