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@INPROCEEDINGS{Niedermayer:891139,
      author       = {Niedermayer, Philipp and Lehrach, Andreas and Kamerdzhiev,
                      Vsevolod and Breitkreutz, Bernd},
      title        = {{D}evelopment of a fast betatron tune and chromaticity
                      measurement system},
      reportid     = {FZJ-2021-01391},
      year         = {2021},
      abstract     = {A fast tune measurement is developed for the Cooler
                      Synchrotron COSY at the Institut für Kernphysik of
                      Forschungszentrum Jülich. Betatron oscillations of the beam
                      are excited with an appropriate RF signal via a stripline
                      kicker. Resonant transverse oscillations are then observed
                      using capacitive beam position monitors. Based on the
                      bunch-by-bunch beam position data the betatron tune is
                      determined. The usage of bunch-by-bunch data is
                      characteristic of the new system. It allows for a discrete
                      tune measurement within a few milliseconds, as well as
                      continuous tune monitoring during beam acceleration.The high
                      precision tune measurement also enables determination of the
                      beam chromaticity. Therefore, the beam momentum is varied by
                      means of the RF frequency and the subsequent tune change is
                      determined. For routine use during beam operation and
                      experiments, the developed method is integrated into the
                      control system.},
      month         = {Mar},
      date          = {2021-03-15},
      organization  = {DPG-Frühjahrstagung 2021, Dortmund
                       (Germany), 15 Mar 2021 - 19 Mar 2021},
      subtyp        = {After Call},
      cin          = {IKP-4},
      cid          = {I:(DE-Juel1)IKP-4-20111104},
      pnm          = {621 - Accelerator Research and Development (POF4-621) / 612
                      - Cosmic Matter in the Laboratory (POF4-612)},
      pid          = {G:(DE-HGF)POF4-621 / G:(DE-HGF)POF4-612},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/891139},
}