Construction and qualification of the pre-series MQM superconducting quadrupoles for the LHC insertions |
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| Authors: | Ostojic R Catalan Lasheras N Lucas J Venturini Delsolaro W Landgrebe D |
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| Institution: | Accelerator Technol. Div., CERN, Geneva, Switzerland; |
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| Abstract: | The LHC insertions will be equipped with individually powered MQM superconducting quadrupoles, produced in three versions with magnetic lengths of 2.4 m, 3.4 m, and 4.8 m. The quadrupoles feature a 56 mm aperture coil, designed on the basis of an 8.8 mm wide Rutherford-type NbTi cable for a nominal gradient of 200 T/m at 1.9 K and 5390 A. A total of 96 quadrupoles are in production in Tesla Engineering, UK. In this report we describe the construction of the pre-series MQM quadrupoles and present the results of the qualification tests. |
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