Test Results of the LARP Nb$_3$Sn Quadrupole HQ03a

The US LHC Accelerator Research Program (LARP) has been developing $Nb_3Sn$ quadrupoles of progressively increasing performance for the high luminosity upgrade of the Large Hadron Collider. The 120 mm aperture High-field Quadrupole (HQ) models are the last step in the R&D; phase supporting the d...

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Detalles Bibliográficos
Autores principales: DiMarco, J, Ambrosio, G, Anerella, M, Bajas, H, Chlachidze, G, Borgnolutti, F, Bossert, R, Cheng, D W, Dietderich, D, Felice, H, Pan, H, Ferracin, P, Ghosh, A, Godeke, A, Hafalia, A R, Marchevsky, M, Orris, D, Ravaioli, E, Sabbi, G, Salmi, T, Schmalzle, J, Stoynev, S, Strauss, T, Sylvester, C, Tartaglia, M, Todesco, E, Wanderer, P, Wang, X R, Yu, M
Lenguaje:eng
Publicado: 2015
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/TASC.2016.2528283
http://cds.cern.ch/record/2262857
Descripción
Sumario:The US LHC Accelerator Research Program (LARP) has been developing $Nb_3Sn$ quadrupoles of progressively increasing performance for the high luminosity upgrade of the Large Hadron Collider. The 120 mm aperture High-field Quadrupole (HQ) models are the last step in the R&D; phase supporting the development of the new IR Quadrupoles (MQXF). Three series of HQ coils were fabricated and assembled in a shell-based support structure, progressively optimizing the design and fabrication process. The final set of coils consistently applied the optimized design solutions, and was assembled in the HQ03a model. This paper reports a summary of the HQ03a test results, including training, mechanical performance, field quality and quench studies.

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