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TY - CONF AU - Diomede, M. AU - Alesini, D. AU - Bellaveglia, M. AU - Buonomo, B. AU - Cardelli, F. AU - Catalán Lasheras, N. AU - Chiadroni, E. AU - Di Raddo, G. AU - Di Raddo, R.D. AU - Ferrario, M. AU - Gallo, A. AU - Ghigo, A. AU - Giribono, A. AU - Grudiev, A. AU - Lollo, V.L. AU - Piersanti, L. AU - Spataro, B. AU - Vaccarezza, C. AU - Wuensch, W. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - RF Design of the X-band Linac for the EuPRAXIA@SPARC_LAB Project J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - We illustrate the RF design of the X-band linac for the upgrade of the SPARC_LAB facility at INFN-LNF (EuPRAXIA@SPARC_LAB). The structures are travelling wave (TW) cavities, working on the 2π/3 mode, fed by klystrons with pulse compressor systems. The tapering of the cells along the structure and the cell profiles have been optimized to maximize the effective shunt impedance keeping under control the maximum value of the modified Poynting vector, while the couplers have been designed to have a symmetric feeding and a reduced pulsed heating. In the paper we also present the RF power distribution layout of the accelerating module and a preliminary mechanical design. PB - JACoW Publishing CP - Geneva, Switzerland SP - 4422 EP - 4425 KW - klystron KW - linac KW - booster KW - electron KW - GUI DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-THPMK058 UR - http://jacow.org/ipac2018/papers/thpmk058.pdf ER -