Development of a 15 T Nb3Sn Accelerator Dipole Demonstrator at Fermilab
IEEE Transactions Applied Superconductivity（2016）
摘要
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 Nb3Sn 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 Nb3Sn 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 Nb3Sn 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 Nb3Sn dipole demonstrator and the steps toward its fabrication.
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关键词
accelerator magnets,niobium alloys,superconducting coils,superconducting magnets,tin alloys,type II superconductors,Nb3Sn,accelerator dipole demonstrator,accelerator-quality magnet,fermilab,hadron collider,machine,magnetic designs,magnetic flux density 15 T,nominal operation field,optimized four-layer shell-type coils,post-LHC era,structural designs,Collider,Dipole magnet,Nb3Sn superconductor,Rutherford cable,collider,dipole magnet,magnetic field,mechanical structure
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