| Paper |
Title |
Page |
| MOP10 |
Light ions from the GTS-LHC ion source for future physics at CERN |
53 |
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- D. Küchler, B.S. Bhaskar, G. Bellodi, M. Slupecki, R. Scrivens
CERN, Meyrin, Switzerland
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Starting from 2028, physics programmes using ions at CERN have requested lighter ions than the lead usually produced. The Working Group on Future Ions in the CERN Accelerator Complex has been mandated to assess the feasibility of the production and operation of these new ion species. The ion beam production from two of the chosen elements, krypton and magnesium, was studied in the GTS-LHC ion source, and the preliminary results of beam intensity, stability and emittance will be presented, as well as proposed modifications to improve performance.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-ECRIS2024-MOP10
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| About • |
Received ※ 13 September 2024 — Revised ※ 17 September 2024 — Accepted ※ 29 January 2025 — Issued ※ 05 February 2025 |
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| MOP11 |
Continuous data-driven control of the GTS-LHC ion source at CERN |
56 |
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- V. Kain, B. Rodriguez Mateos, N. Bruchon, D. Küchler
CERN, Geneva, Switzerland
- S. Hirlaender
University of Salzburg, Salzburg, Austria
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Recent advances with the CERN infrastructure for machine learning allows to deploy state-of-the-art data-driven control algorithms for stabilising and optimising particle accelerator systems. This contribution summarises the results of the first tests with different continuous control algorithms to optimise the intensity out of the CERN LINAC3 source. The task is particularly challenging due to the different latencies for control parameters that range from instantaneous response, to full response after only ~30 minutes. The next steps and a vision towards full deployment and autonomous source control will also be discussed.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-ECRIS2024-MOP11
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| About • |
Received ※ 14 September 2024 — Revised ※ 17 September 2024 — Accepted ※ 29 January 2025 — Issued ※ 18 May 2025 |
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| TUP10 |
Optical diagnostic studies to analyse electron cyclotron resonance plasma produced in the GTS-LHC ion source |
116 |
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- B.S. Bhaskar, D. Küchler
CERN, Geneva, Switzerland
- T. Kövener
Private Address, ,
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The GTS-LHC electron cyclotron resonance (ECR) ion source is an integral part of the chain of accelerators at CERN. It produces the heavy ion beams which are accelerated using a series of accelerators from LINAC up to the LHC. The ion beams are extracted from an ECR plasma generated at the GTS-LHC ion source, however, there has not yet been a non-invasive diagnostic device to study the plasma. This research focuses on the implementation of an optical diagnostics and studies the optical emission spectra (OES) as a monitor of the performance of the ion source. Furthermore, we explore the correlation between spectral properties and changing source parameters, offering insights into the behaviour of the ion source, which in turn helps in fine-tuning of the source. Specifically, the study concentrates on long-term OES analysis spanning several weeks, focusing on the production of magnesium and lead ions using the GTS-LHC ion source.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-ECRIS2024-TUP10
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| About • |
Received ※ 11 September 2024 — Revised ※ 19 September 2024 — Accepted ※ 09 October 2024 — Issued ※ 26 March 2025 |
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