RF Power Test of the Rebuncher for Saraf-Linac

Abstract : Three normal conducting rebunchers will be installed at the Medium Energy Beam Transport (MEBT) of the SARAF-LINAC phase II [saraf]. The MEBT line is designed to follow a 1.3 MeV/u RFQ, is about 5 m long, and contains three 176 MHz rebunchers providing a field integral of 10⁵ kV. CEA is in charge of the design and fabrication of the Cu plated stainless steel, 3-gap rebuncher. The high power tests and RF conditioning have been successfully performed at the CEA Saclay on the first cavity. A solid state power amplifier, which has been developed by SNRC and has been used for the RF tests. The cavity has shown a good performance according to calculations, regarding the dissipated power, peak temperatures and coupling factor. RF conditioning was started with a duty cycle of 1\% and increased gradually until continuous wave (CW), which is the nominal working mode in SARAF-LINAC.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-02266347
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Submitted on : Wednesday, August 14, 2019 - 7:38:03 AM
Last modification on : Friday, August 16, 2019 - 1:09:26 AM

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Lu Zhao, Romain Berthier, Rémi Braud, Didier Chirpaz-Cerbat, Marco Di Giacomo, et al.. RF Power Test of the Rebuncher for Saraf-Linac. 10th International Particle Accelerator Conference, May 2019, Melbourne, Australia. pp.WEPRB010, ⟨10.18429/JACoW-IPAC2019-WEPRB010⟩. ⟨hal-02266347⟩

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