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TY - CONF AU - Cenni, E. AU - Baudrier, M. AU - Carbonnier, P. AU - Devanz, G. AU - Hanus, X. AU - Maurice, L. AU - Plouin, J. AU - Roudier, D. AU - Sahuquet, P. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - ESS Prototype Cavities Developed at CEA Saclay J2 - Proc. of SRF2019, Dresden, Germany, 30 June-05 July 2019 CY - Dresden, Germany T2 - International Conference on RF Superconductivity T3 - 19 LA - english AB - The ESS elliptical superconducting Linac consists of two types of 704.42 MHz cavities, medium and high beta, to accelerate the beam from 216 MeV up to the final energy at 2 GeV. The medium and high-beta parts of the Linac are composed of 36 and 84 elliptical cavities, with geometrical beta values of 0.67 and 0.86 respectively. CEA Saclay is in charge of the cavity prototypes that is designing, manufacturing, testing and integrating them into demonstrator cryomodules. We have manufactured 6 medium beta and 5 high beta cavities and we present here the latest results concerning these activities. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1143 EP - 1146 KW - cavity KW - SRF KW - niobium KW - HOM KW - linac DA - 2019/08 PY - 2019 SN - "" SN - 978-3-95450-211-0 DO - doi:10.18429/JACoW-SRF2019-THP096 UR - http://jacow.org/srf2019/papers/thp096.pdf ER -