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000358327 0247_ $$2doi$$a10.18429/JACOW-HB2023-THBP19
000358327 0247_ $$2datacite_doi$$a10.15120/GSI-2025-00511
000358327 037__ $$aGSI-2025-00511
000358327 041__ $$aEnglish
000358327 1001_ $$0P:(DE-HGF)0$$aPrebibaj, Tirsi$$b0$$eCorresponding author
000358327 1112_ $$a68th Adv. Beam Dyn. Workshop High-Intensity High-Brightness Hadron Beams$$cGeneva$$d2023-10-09 - 2023-10-13$$gHB2023$$wSwitzerland
000358327 245__ $$aExperimental Investigations on the High-Intensity Effects Near the Half-Integer Resonance in the PSB
000358327 260__ $$aGeneva, Switzerland$$bJACoW Publishing$$c2024
000358327 300__ $$a499 - 502
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000358327 520__ $$aSpace charge effects are the main limitation for the brightness performance of the Proton Synchrotron Booster (PSB) at CERN. Following the upgrades of the LHC Injectors Upgrade (LIU) project, the PSB delivered unprecedented brightness even exceeding the projected target parameters. A possibility for further increasing the brightness is to operate above the half-integer resonance 2Q_{y}=9 in order to avoid emittance blow-up from resonances at Q_{x,y}=4 due to the strong space charge detuning. The half-integer resonance can be compensated to a great extent using the available quadrupole correctors in the PSB, and also deliberately excited in a controlled way. The control of the half-integer resonance and the flexibility of the PSB to create a variety of different beam and machine conditions allowed the experimental characterization of space charge effects near this resonance. This contribution reports the experimental observations of the particle trapping during the dynamic crossing of the half-integer, as well as systematic studies of the beam degradation from space charge induced resonance crossing.
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000358327 650_7 $$2Other$$aAccelerator Physics
000358327 650_7 $$2Other$$aBeam Dynamics in Rings
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000358327 7001_ $$0P:(DE-HGF)0$$aAntoniou, Fanouria$$b1
000358327 7001_ $$0P:(DE-HGF)0$$aAsvesta, Foteini$$b2
000358327 7001_ $$0P:(DE-HGF)0$$aBartosik, Hannes$$b3
000358327 7001_ $$0P:(DE-Ds200)OR0314$$aFranchetti, Giuliano$$b4
000358327 773__ $$a10.18429/JACOW-HB2023-THBP19
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