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TY - CPAPER AU - Peauger, F. AU - Arcambal, C. AU - Berry, S. AU - Berton, N. AU - Bosland, P. AU - Cenni, E. AU - Charrier, J.-P. AU - Darve, C. AU - Devanz, G. AU - Elias, N. AU - Éozénou, F. AU - Gougnaud, F. AU - Hamdi, A. AU - Hanus, X. AU - Hardy, P. AU - Hennion, V.M. AU - Joannem, T. AU - Leseigneur, F. AU - Loiseau, D. AU - Madec, C. AU - Maurice, L. AU - Olivier, G. AU - Piquet, O. AU - Plouin, J. AU - Poupeau, J.P. AU - Renard, B. AU - Roudier, D. AU - Sahuquet, P. AU - Servouin, C. TI - Progress in the Elliptical Cavities and Cryomodule Demonstrators for the ESS LINAC J2 - Proc. of International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 AB - The European Spallation Source (ESS) accelerator is a large superconducting linac under construction in Lund, Sweden. A collaboration between CEA Saclay, IPN Orsay and ESS-AB is established to design the elliptical cavities cryomodule of the linac. It is foreseen to build and test two cryomodule demonstrators within the next two years. We present the design evolution and the fabrication status of the cryomodule components housing four cavities. The latest test results of two prototype cavities are shown. The cryomodule assembly process and the on-going testing infrastructures at CEA Saclay are also described. PB - JACoW CY - Geneva, Switzerland SP - 544 EP - 548 KW - cryomodule KW - cavity KW - vacuum KW - cryogenics KW - linac DA - 2015/12 PY - 2015 SN - 978-3-95450-178-6 DO - 10.18429/JACoW-SRF2015-TUPB007 UR - http://srf2015.vrws.de/papers/tupb007.pdf ER -