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@INPROCEEDINGS{Hejny:1041519,
      author       = {Hejny, Volker},
      title        = {{S}pin tune determination and feedback},
      reportid     = {FZJ-2025-02293},
      year         = {2025},
      abstract     = {The talk covers over 10 years of $R\&D$ by the JEDI
                      collaboration at COSY, Jülich. Main topics discussed are:
                      online determination of spin tune and in-plane polarization,
                      how to achieve large spin coherence times, and phase-lock
                      feedback for synchronizing spin precession and RF devices.
                      The $R\&D$ is primarily motivated by precision experiments
                      on Electric Dipole Moments (EDMs) of charged particles in
                      storage rings, including feasibility studies and a first
                      deuteron EDM measurement at COSY.},
      month         = {Mar},
      date          = {2025-03-10},
      organization  = {Polarized Ion Sources and Beams at
                       EIC, Stony Brook (USA), 10 Mar 2025 -
                       12 Mar 2025},
      subtyp        = {Invited},
      cin          = {IKP-2},
      cid          = {I:(DE-Juel1)IKP-2-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / srEDM -
                      Search for electric dipole moments using storage rings
                      (694340)},
      pid          = {G:(DE-HGF)POF4-612 / G:(EU-Grant)694340},
      experiment   = {EXP:(DE-Juel1)JEDI-20170712},
      typ          = {PUB:(DE-HGF)6},
      doi          = {10.34734/FZJ-2025-02293},
      url          = {https://juser.fz-juelich.de/record/1041519},
}