CERN Accelerating science

Article
Report number	FERMILAB-CONF-15-442-TD
Title	Development of a 15 T Nb$_3$Sn Accelerator Dipole Demonstrator at Fermilab
Author(s)	Novitski, I (Fermilab) ; Andreev, N (Fermilab) ; Barzi, E (Fermilab) ; Carmichael, J (Fermilab) ; Kashikhin, V V (Fermilab) ; Turrion, D (Fermilab) ; Yu, M (Fermilab) ; Zlobin, A V (Fermilab)
Publication	2016
Imprint	2015
Number of pages	7
In:	IEEE Trans. Appl. Supercond. 26 (2016) 4001007
In:	24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.4001007
DOI	10.1109/TASC.2016.2517024
Accelerator/Facility, Experiment	CERN LHC
Project	CERN HL-LHC
Abstract	A 100-TeV-scale Hadron Collider (HC) with a nominal operation field of at least 15 T is being considered for the post-LHC era, which requires using the Nb$_3$Sn technology. Practical demonstration of this field level in an accelerator-quality magnet and substantial reduction of the magnet costs are important requirements for realization of such a machine. Fermilab has started the development of a 15 T Nb$_3$Sn dipole demonstrator for a 100-TeV-scale HC. The magnet design is based on optimized 60-mm-aperture four-layer shell-type coils, graded between the inner and outer layers to maximize the performance and reduce the cost. The experience gained during the Nb$_3$Sn magnet R&D; is applied to various aspects of the magnet design. This paper describes the magnetic and structural designs and parameters of the 15 T Nb$_3$Sn dipole demonstrator and the steps toward its fabrication.
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