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@INPROCEEDINGS{ElKordy:1046969,
      author       = {El-Kordy, Tarek and Engels, Ralf W. and Faatz, N. and Costa
                      Pinto, P. and Di Nezza, P. and Ferro-Luzzi, M. and
                      Grigoryev, K. and Langer, Chr. and Kannis, C. and Pütz,
                      Simon Jakob},
      title        = {{T}ests of amorphous carbon-coated storage cells for a
                      polarized gas target at {LHC}b and further results},
      journal      = {Chinese physics / C},
      volume       = {49},
      number       = {8},
      issn         = {1674-1137},
      address      = {Bristol [u.a.]},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2025-04037},
      pages        = {084002 -},
      year         = {2025},
      abstract     = {As the LHC beams cannot be polarized, introducing a dense
                      polarized gas target at the LHCb experiment at CERN, to be
                      operated concurrently with beam-beam collisions, will
                      facilitate fixed-target interactions to explore a new energy
                      regime of spin physics measurements. Unfortunately, typical
                      surface coatings used to avoid polarization losses, such as
                      water, Teflon, or aluminum, are prohibited due to
                      restrictions imposed by vacuum and beam policies. The former
                      atomic beam source for the polarized target at ANKE@COSY
                      (Forschungszentrum Jülich), an accompanying Lamb-shift
                      polarimeter, and a storage cell chamber inside a
                      superconducting magnet provide a perfect test stand to
                      investigate the properties of a storage cell coated with
                      amorphous carbon. A significant recombination rate, ranging
                      from $93\%$ to $100\%,$ and preservation of polarization
                      during recombination surpassing $74\%$ were observed. We
                      successfully produced H$_2$ molecules with a nuclear
                      polarization of P~0.59. In addition, we could produce
                      polarized H$_3^+$ ions for the first time and observed the
                      shift of the axis of rotation within HD molecules.},
      month         = {Nov},
      date          = {2024-11-18},
      organization  = {The 11th International Conference on
                       Nuclear Physics at Strorage Rings,
                       Huizhou (Peoples R China), 18 Nov 2024
                       - 22 Nov 2024},
      cin          = {IKP-2 / ITE / IKP-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-2-20111104 / I:(DE-Juel1)ITE-20250108 /
                      I:(DE-Juel1)IKP-4-20111104},
      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)16 / PUB:(DE-HGF)8},
      doi          = {10.1088/1674-1137/add70e},
      url          = {https://juser.fz-juelich.de/record/1046969},
}