Author: Aulenbacher, K.
Paper Title Page
WEPWB082 Operational Experience with Turn-Key SRF Systems for Small Accelerators Like MESA 768
 
  • T. Stengler, K. Aulenbacher, F. Hug, P.S. Plattner
    KPH, Mainz, Germany
 
  Funding: The work is funded by the German Research Foundation (DFG) under the Cluster of Excellence "PRISMA+" EXC 2118/2019 and the Federal Ministry of Education and Research (BMBF) through project 05H21UMRB1
New SRF-based ac­cel­er­a­tor de­vel­op­ment at sites with­out long-term ex­pe­ri­ence in SRF de­vel­op­ment is a major chal­lenge. Es­pe­cially in-house de­vel­op­ment of cry­omod­ules is an al­most im­pos­si­ble ob­sta­cle to over­come for small pro­jects. To min­i­mize such ob­sta­cles, turn-key SRF sys­tems pro­vided by in­dus­try can be of great im­por­tance. For the mul­ti­turn ERL MESA, which is cur­rently under con­struc­tion at Jo­hannes Guten­berg-Uni­ver­sität Mainz, two turnkey cry­omod­ules have been pur­chased from in­dus­try and suc­cess­fully tested. The spec­i­fi­ca­tions of a de­sign gra­di­ent of 12.5 MV/m in CW op­er­a­tion with an un­loaded Q of 1.25*1010 at 1.8 K had to be met. Since the de­sign of the mod­ules had to be mod­i­fied for high cur­rent CW op­er­a­tion, a close co­op­er­a­tion with the man­u­fac­turer was of great im­por­tance. By pur­chas­ing such a turn-key SRF sys­tem, the MESA pro­ject suc­cess­fully es­tab­lished the SRF ac­cel­er­a­tor tech­nol­ogy at the site within six years. This was achieved through close mon­i­tor­ing of the man­u­fac­tur­ing process and close co­op­er­a­tion with the man­u­fac­turer. An overview of the ex­pe­ri­ence with the suc­cess­ful tech­nol­ogy trans­fer of a com­plete turn-key SRF sys­tem for small ac­cel­er­a­tors will be given.
 
DOI • reference for this paper ※ doi:10.18429/JACoW-SRF2023-WEPWB082  
About • Received ※ 25 June 2023 — Revised ※ 29 June 2023 — Accepted ※ 30 June 2023 — Issue date ※ 03 August 2023
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