Speaker
Raphaël Roux
(Université Paris-Saclay, CNRS/IN2P3, IJCLab)
Description
The injector for the PERLE ERL in construction at IJCLab is based on a booster containing 4 superconducting cavities to reach 7 MeV for 20 mA of cw current. The cavities are single cell at 801.58 MHz. Due to the high average current, issues of beam break-up and power dissipation induced by the higher order modes of the cavities are a matter of concern. In this paper, we will report on the systematic survey of the HOM thanks to CST simulations up to 8 GHz. An analysis of their harmfulness as a function of the current spectrum will be shown.
Funding Agency
CNRS
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Author
Raphaël Roux
(Université Paris-Saclay, CNRS/IN2P3, IJCLab)
Co-author
Mrs
Patricia Duchesne
(Université Paris-Saclay, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie, Institut National de Physique Nucléaire et de Physique des Particules, Centre National de la Recherche Scientifique)