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@INPROCEEDINGS{Niedermayer:361079,
      author       = {Niedermayer, Philipp and Singh, Rahul and Bräuning, Harald
                      and Milosic, Timo},
      title        = {{S}pill {O}ptimization {S}ystem {I}mproving {S}low
                      {E}xtraction at {GSI}},
      address      = {Geneva, Switzerland},
      publisher    = {JACoW Publishing},
      reportid     = {GSI-2025-00953},
      isbn         = {978-3-95450-248-6},
      pages        = {956-959 pages},
      year         = {2025},
      note         = {Published by JACoW Publishing under the terms of the
                      Creative Commons Attribution 4.0 license.},
      abstract     = {Resonant slow extraction is routinely used to provide ion
                      beams to various users.At GSI SIS18, two extraction methods
                      are implemented: quadrupole-driven and radio frequency Knock
                      Out (RF-KO) extraction.In either case, delivering a defined
                      beam intensity (spill) without fluctuations or drifts is
                      desired for an efficient beam usage.The Spill Optimization
                      System (SOS) was developed to address this demand and
                      improve the spill quality based on online spill
                      monitoring.Developed using software-defined radio
                      technology, it comprises a feedback controlling the spill
                      rate and an optimization algorithm to improve the spill
                      quality.In the case of RF-KO extraction, it controls the
                      spill by generating tailored excitation signals for the KO
                      exciter.For quadrupole-driven extraction, it produces a
                      control signal for the tune ramp including tune wobbling to
                      improve the spill quality.This contribution gives an
                      overview on the systems and compares different usage
                      scenarios.},
      month         = {Jun},
      date          = {2025-06-01},
      organization  = {16th International Particle
                       Accelerator Conference, Taipei
                       (Taiwan), 1 Jun 2025 - 6 Jun 2025},
      keywords     = {Accelerator Physics (Other) / mc4-hadron-accelerators -
                      MC4: Hadron Accelerators (Other) / MC4.T12 - MC4.T12 Beam
                      Injection/Extraction and Transport (Other)},
      cin          = {BEA / ACCpub},
      cid          = {I:(DE-Ds200)BEA-20051214OR061 /
                      I:(DE-Ds200)ACC-20241129publications},
      pnm          = {621 - Accelerator Research and Development (POF4-621)},
      pid          = {G:(DE-HGF)POF4-621},
      experiment   = {$EXP:(DE-Ds200)Experiment_without_proposal_number-20200803$},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.18429/JACoW-IPAC2025-TUPB008},
      url          = {https://repository.gsi.de/record/361079},
}