Abstract
After a review of the present state of the R.&D. programme, the results of the tests of the first three model magnets are described.
The first magnet, designed and built as a joint venture by CERN and ANSALDO Componenti, Italy, is based on the NbTi technology. It was designed for 8 T nominal field, but it passed 8.5 T without any quench and attained a 9.3 T central field. Three test campaigns were performed, two at CERN and one at the CEA, Saclay, Laboratory (France). No re-training occurred even after having kept the magnet at room temperature for several months. A second magnet of the same design, but using a mechanically stronger conductor insulation, showed good reproducibility of results and reached a 9.45 T central field at 1.8 K.
The third magnet, based on the Nb3Sn wind-and-react technology, was a joint project of CERN and ELIN-UNION, Austria. Design and technology were at first tested in a magnetic mirror device in which a full magnet pole was tested : 10.2 T central field was reached after a few quenches. The complete magnet was tested in June 1989 and reached a 9.5 T central field at 4.3 K.
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© 1990 The Institute of Electrical Engineers of Japan
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Perin, R. (1990). First Results of the High-Field Magnet Development for the Large Hadron Collider. In: Sekiguchi, T., Shimamoto, S. (eds) 11th International Conference on Magnet Technology (MT-11). Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0769-0_6
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DOI: https://doi.org/10.1007/978-94-009-0769-0_6
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