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Vertical Test of ESS Medium Beta Cavities

  • Bosotti, Angelo
  • Bertucci, Michele
  • Bignami, Andrea
  • Michelato, Paolo
  • Monaco, Laura
  • Paparella, Rocco
  • Reschke, Detlef
  • Sertore, Daniele
  • Sulimov, Alexey
  • Wiencek, Mateusz
Publication Date
Jun 24, 2019
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The Medium beta (β=0.67) section of the European Spallation Source (ESS) Linac is composed of 36 six-cell elliptical superconducting (SC) cavities. As a part to the in kind contribution of Italy to the ESS project, INFN-LASA is in charge of the development and of the industrial production of the whole set of 36 resonators plus two spares. The production activity is now ongoing at ZANON. To qualify the cavities power tests in vertical cryostat has been committed to DESY. During the qualification tests, where the cavities provided with He tanks are pushed to their electromagnetic limits, recording their main electromagnetics parameters such as quality factor Q₀ vs E_{acc}. In this paper we report about the qualification tests performed on the first part of the quality production.

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