Amongst the magnet development program of a large-aperture Nb3Sn superconducting quadrupole for the Large Hadron Collider luminosity upgrade, six quadrupole magnets were built and tested using a shell based key and bladder technology (TQS). The 1 m long 90 mm aperture magnets are part of the US LHC Accelerator Research Program (LARP) aimed at demonstrating Nb3Sn technology by the year 2009, of a 3.6 m long magnet capable of achieving 200 T/m. In support of the LARP program the TQS magnets were tested at three different laboratories, LBNL, FNAL and CERN and while at CERN a technology-transfer and a four days magnet disassembly and reassembly were included. This paper summarizes the fabrication, assembly, cool-down and test results of the six magnets and compares measurements with design expectations.
Test results of LARP Nt3Sn quadrupole magnets using a shell-based support structure (TQS) / S. Caspi, D.R. Dietderich, H. Felice, P. Ferracin, R. Hafalia, C.R. Hannaford, A.F. Lietzke, J. Lizarazo, G. Sabbi, X.R. Wang, A. Ghosh, P. Wanderer, G. Ambrosio, E. Barzi, R. Bossert, G. Chlachidze, S. Feher, V.V. Kashikhin, M. Lamm, M.A. Tartaglia, A.V. Zlobin, M. Bajko, B. Bordini, G. Derijk, C. Giloux, M. Karppinen, J.C. Perez, L. Rossi, A. Siemko, E. Todesco. - In: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY. - ISSN 1051-8223. - 19:3(2009), pp. 5109546.1221-5109546.1225.
Test results of LARP Nt3Sn quadrupole magnets using a shell-based support structure (TQS)
L. Rossi;
2009
Abstract
Amongst the magnet development program of a large-aperture Nb3Sn superconducting quadrupole for the Large Hadron Collider luminosity upgrade, six quadrupole magnets were built and tested using a shell based key and bladder technology (TQS). The 1 m long 90 mm aperture magnets are part of the US LHC Accelerator Research Program (LARP) aimed at demonstrating Nb3Sn technology by the year 2009, of a 3.6 m long magnet capable of achieving 200 T/m. In support of the LARP program the TQS magnets were tested at three different laboratories, LBNL, FNAL and CERN and while at CERN a technology-transfer and a four days magnet disassembly and reassembly were included. This paper summarizes the fabrication, assembly, cool-down and test results of the six magnets and compares measurements with design expectations.
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