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.
RF Design of the X-band Linac for the EuPRAXIA@SPARC_LAB Project / Diomede, Marco; Alesini, David; Bellaveglia, Marco; Buonomo, Bruno; Cardelli, Fabio; Nuria Catalán Lasheras, ; Chiadroni, Enrica; Gianluca Di Raddo, ; Roberto Di Raddo, ; Ferrario, Massimo; Alessandro, Gallo; Andrea, Ghigo; Giribono, Anna; Alexej, Grudiev; Valerio, Lollo; Piersanti, Luca; Spataro, Bruno; Vaccarezza, Cristina; Walter, Wuensch. - (2018). (Intervento presentato al convegno 9th International Particle Accelerator Conference (IPAC'18) tenutosi a Vancouver, BC, Canada) [10.18429/jacow-ipac2018-thpmk058].
RF Design of the X-band Linac for the EuPRAXIA@SPARC_LAB Project
DIOMEDE, MARCO
;David Alesini;Marco Bellaveglia;Bruno Buonomo;Fabio Cardelli;Enrica Chiadroni;Massimo Ferrario;Anna Giribono;Luca Piersanti;Bruno Spataro;Cristina Vaccarezza;
2018
Abstract
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.| File | Dimensione | Formato | |
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