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@INPROCEEDINGS{Prebibaj:358327,
      author       = {Prebibaj, Tirsi and Antoniou, Fanouria and Asvesta, Foteini
                      and Bartosik, Hannes and Franchetti, Giuliano},
      title        = {{E}xperimental {I}nvestigations on the {H}igh-{I}ntensity
                      {E}ffects {N}ear the {H}alf-{I}nteger {R}esonance in the
                      {PSB}},
      address      = {Geneva, Switzerland},
      publisher    = {JACoW Publishing},
      reportid     = {GSI-2025-00511},
      pages        = {499 - 502},
      year         = {2024},
      note         = {Published by JACoW Publishing under the terms of the
                      Creative Commons Attribution 4.0 license.},
      abstract     = {Space charge effects are the main limitation for the
                      brightness performance of the Proton Synchrotron Booster
                      (PSB) at CERN. Following the upgrades of the LHC Injectors
                      Upgrade (LIU) project, the PSB delivered unprecedented
                      brightness even exceeding the projected target parameters. A
                      possibility for further increasing the brightness is to
                      operate above the half-integer resonance $2Q_{y}=9$ in order
                      to avoid emittance blow-up from resonances at $Q_{x,y}=4$
                      due to the strong space charge detuning. The half-integer
                      resonance can be compensated to a great extent using the
                      available quadrupole correctors in the PSB, and also
                      deliberately excited in a controlled way. The control of the
                      half-integer resonance and the flexibility of the PSB to
                      create a variety of different beam and machine conditions
                      allowed the experimental characterization of space charge
                      effects near this resonance. This contribution reports the
                      experimental observations of the particle trapping during
                      the dynamic crossing of the half-integer, as well as
                      systematic studies of the beam degradation from space charge
                      induced resonance crossing.},
      month         = {Oct},
      date          = {2023-10-09},
      organization  = {68th Adv. Beam Dyn. Workshop
                       High-Intensity High-Brightness Hadron
                       Beams, Geneva (Switzerland), 9 Oct 2023
                       - 13 Oct 2023},
      keywords     = {Accelerator Physics (Other) / Beam Dynamics in Rings
                      (Other)},
      cin          = {STR},
      cid          = {I:(DE-Ds200)STR-20121002OR239},
      pnm          = {899 - ohne Topic (POF4-899)},
      pid          = {G:(DE-HGF)POF4-899},
      experiment   = {$EXP:(DE-Ds200)no_experiment-20200803$},
      typ          = {PUB:(DE-HGF)8},
      doi          = {10.18429/JACOW-HB2023-THBP19},
      url          = {https://repository.gsi.de/record/358327},
}