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TY - CONF AU - Sertore, D. AU - Bertucci, M. AU - Bonezzi, M. AU - Bosotti, A. AU - D’Ambros, A. AU - Grimaldi, A.T. AU - Michelato, P. AU - Monaco, L. AU - Pagani, C. AU - Paparella, R. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - ESS Medium Beta Cavities Status at INFN LASA J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - INFN Milano contributes in-kind to the ESS ERIC Superconducting Linac supplying 36 cavities for the Medium Beta section of the proton accelerator. The production has reached completion, being all the cavities mechanical fabricated, BCP treated and, for most of them, also qualified with vertical test at cold. In this paper, we report on the results and lessons learnt and the actions taken both for quality control managing and recovery of the few cavities that did not reach the project goal after the first qualification test. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1420 EP - 1423 KW - cavity KW - SRF KW - linac KW - multipactoring KW - controls DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-TUPAB035 UR - https://jacow.org/ipac2021/papers/tupab035.pdf ER -