Contribution to a conference proceedings/Contribution to a book

GSI-2019-01091

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Considerations for Efficient RF Operation for the Advanced cw-Linac Demonstrator at GSI

Burandt, C.GSI* ; Aulenbacher, K. ; Barth, W.GSI* ; Basten, M.GSI* ; Busch, M. ; Dziuba, F.GSI* ; Gettmann, V.GSI* ; Heilmann, M.GSI* ; Kürzeder, T.GSI* ; Lauber, S.GSI* ; List, J.GSI* ; Miski-Oglu, M.GSI* ; Podlech, H. ; Schnase, A.GSI* ; Schwarz, M. ; Yaramyshev, S.GSI*

2019
JACoW Publishing, CERN Geneva

Please use a persistent id in citations: doi:10.18429/JACOW-SRF2019-MOP081  doi:10.15120/GSI-2019-01091

Abstract: The FAIR@GSI accelerator facility will require the GSI-UNILAC to provide short heavy ion pulses of highest intensity at low repetition rate for injection into the 18 Tm synchrotron SIS18. However, successful physics programs like SHE (Super Heavy Elements) rely on the UNILAC providing for heavy ion beams of high average current and high duty factor. In the next future, a dedicated super-conducting (sc) cw-Linac should therefore deliver cw beams to the experiments associated with those programs. As a first step towards this goal, beam tests with a single sc Cross-bar H-mode (CH) cavity were successfully conducted in 2017/2018. Within the scope of an Advanced Demonstrator project, current activities now aim at a beam test of a full cryomodule with three sc CH cavities and a sc rebuncher. Given a limited amount of rf power available per cavity and the necessity to accelerate different ion species with different mass-to-charge ratios, the loaded quality factor Q of the different resonators has to be chosen very carefully. This contribution discusses the simulations performed in this context.

Note: "Published by JACoW Publishing under the terms of the Creative Commons Attribution 3.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI."

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Contributing Institute(s):

1. Linac (LIN)
2. HIM / Accelerator Design and Integrated Detectors (MDI)
3. Linac HF (LRF)

Research Program(s):

1. 631 - Accelerator R & D (POF3-631) (POF3-631)

Appears in the scientific report 2019

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