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TY - CONF AU - Muñoz, J.L. AU - Bustinduy, I. AU - Rueda, I. AU - de Cos, D. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Design and Fabrication of ESS-Bilbao RFQ Linac J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - The RFQ accelerator for ESS-Bilbao is presented. This device will complete ESS-Bilbao injection chain after the ion source and LEBT. Design, carried out by ESS-Bilbao team, was finished in 2015. Machining has started in 2016. The RFQ is a 4-vane structure, aimed to accelerate protons from 45 keV to 3.0 MeV and operating at 352.2 MHz. It has a total length of about 3.1 meters, divided in 4 segments. Segments themselves are formed by 2 major and 2 minor vanes, assembled together by using polymeric vacuum gaskets instead of brazing or other welding system. In this paper the design is presented, including the beam dynamics, RF cavity design, field flatness and frequency tuning. Cooling and thermo-mechanical design is also described. Mechanical design, including vacuum strategy and test models, is also briefly described (there is a dedicated poster on this). The first segment fabrication is scheduled to finish before the end of 2016, so vacuum and low power RF tests results would also be included in the presented paper. PB - JACoW CP - Geneva, Switzerland SP - 2373 EP - 2375 KW - rfq KW - cavity KW - vacuum KW - proton KW - simulation DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-TUPVA120 UR - http://jacow.org/ipac2017/papers/tupva120.pdf ER -