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@INPROCEEDINGS{Ptz:1046978,
      author       = {Pütz, Simon Jakob and Engels, Ralf W. and Faatz, Nicolas
                      and Kannis, Chrysovalantis and Gebel, Ralf and Grigoryev,
                      Kirill and Valdau, Yury and El-Kordy, Tarek},
      title        = {{P}olarimetry of pulsed {H}$^−$/{D}$^−$ ion beams:
                      {E}xtended applicability of the {L}amb-shift polarimeter},
      school       = {Universität Köln},
      reportid     = {FZJ-2025-04046},
      year         = {2025},
      abstract     = {Until 2023, a polarized H$^−$/D$^−$ ion source
                      delivered pulsed negative ion beams for stripping injection
                      into the COSY accelerator. Accurate and efficient
                      measurement of the nuclear spin polarization directly behind
                      the source is essential for precision experiments at COSY. A
                      data acquisition system was developed to enable reliable,
                      automated measurements with improved efficiency and to
                      reduce operator intervention. To achieve that, the
                      applicability of the Lamb-shift polarimeter has been
                      successfully expanded to include pulsed H$^−$ and D$^−$
                      ion beams. The presented setup is useful and suitable to
                      determine and optimize the polarization of upcoming
                      polarized sources of the COSY type without pre-acceleration.
                      We also present additional measurements of the nuclear spin
                      polarization of H$^+_3$ ion beams with a Lamb-shift
                      polarimeter.},
      month         = {Sep},
      date          = {2025-09-21},
      organization  = {26th International Symposium on Spin
                       Physics, Qingdao (Peoples R China), 21
                       Sep 2025 - 26 Sep 2025},
      subtyp        = {Other},
      cin          = {IKP-2},
      cid          = {I:(DE-Juel1)IKP-2-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / DFG
                      project G:(GEPRIS)533904660 - Eine vielseitige
                      Polarisationsmethode für Teilchen mit einfachen
                      Hyperfeinstrukturen (533904660)},
      pid          = {G:(DE-HGF)POF4-612 / G:(GEPRIS)533904660},
      typ          = {PUB:(DE-HGF)6},
      doi          = {10.34734/FZJ-2025-04046},
      url          = {https://juser.fz-juelich.de/record/1046978},
}