Operational Experience and Redesign of the Tuner without Spring Fingers for the LEReC Warm Cavity Article Swipe

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Tuner Spring (device) Aeronautics Engineering Telecommunications Computer science Mechanical engineering Radio frequency

Binping Xiao , Joseph Brennan , Jean Clifford Brutus , K. Mernick , Salvatore Polizzo , Scott Seberg , F. Severino , K. Smith , A. Zaltsman ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.18429/jacow-ipac2021-mopab359 · OA: W3203143564

A folded coaxial tuner without spring fingers was designed for the Low Energy RHIC electron Cooler (LEReC) 2.1 GHz warm cavity. During RHIC run 2019, this tuner was found to cause cavity trips via different failure modes. After analyzing these failure modes, a new straight coaxial tuner without spring fingers was proposed and was installed. We show the operational experience of the new tuner in this paper.