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@ARTICLE{Saleev:834650,
      author       = {Saleev, A. and Nikolaev, N. N. and Rathmann, F. and
                      Augustyniak, W. and Bagdasarian, Z. and Bai, M. and Barion,
                      L. and Berz, M. and Chekmenev, S. and Ciullo, G. and Dymov,
                      S. and Eversmann, D. and Gaisser, M. and Gebel, R. and
                      Grigoryev, K. and Grzonka, D. and Guidoboni, G. and
                      Heberling, D. and Hejny, V. and Hempelmann, N. and Hetzel,
                      J. and Hinder, F. and Kacharava, A. and Kamerdzhiev, V. and
                      Keshelashvili, I. and Koop, I. and Kulikov, A. and Lehrach,
                      A. and Lenisa, P. and Lomidze, N. and Lorentz, B. and
                      Maanen, P. and Macharashvili, G. and Magiera, A. and
                      Mchedlishvili, D. and Mey, S. and Müller, F. and Nass, A.
                      and Pesce, A. and Prasuhn, D. and Pretz, J. and Rosenthal,
                      M. and Schmidt, V. and Semertzidis, Y. and Senichev, Y. and
                      Shmakova, V. and Silenko, A. and Slim, J. and Soltner, H.
                      and Stahl, A. and Stassen, R. and Stephenson, E. and
                      Stockhorst, H. and Stroeher, Hans and Tabidze, M. and
                      Tagliente, G. and Talman, R. and Engblom, P. Thörngren and
                      Trinkel, F. and Uzikov, Yu. and Valdau, Yu. and Valetov, E.
                      and Vassiliev, A. and Weidemann, C. and Wrońska, A. and
                      Wüstner, P. and Zuprański, P. and Zurek, M.},
      title        = {{S}pin tune mapping as a novel tool to probe the spin
                      dynamics in storage rings},
      journal      = {Physical review accelerators and beams},
      volume       = {20},
      number       = {7},
      issn         = {2469-9888},
      address      = {College Park, MD},
      publisher    = {American Physical Society},
      reportid     = {FZJ-2017-04554},
      pages        = {072801},
      year         = {2017},
      abstract     = {Precision experiments, such as the search for electric
                      dipole moments of charged particles using storage rings,
                      demand for an understanding of the spin dynamics with
                      unprecedented accuracy. The ultimate aim is to measure the
                      electric dipole moments with a sensitivity up to 15 orders
                      in magnitude better than the magnetic dipole moment of the
                      stored particles. This formidable task requires an
                      understanding of the background to the signal of the
                      electric dipole from rotations of the spins in the spurious
                      magnetic fields of a storage ring. One of the observables,
                      especially sensitive to the imperfection magnetic fields in
                      the ring is the angular orientation of stable spin axis. Up
                      to now, the stable spin axis has never been determined
                      experimentally, and in addition, the JEDI collaboration for
                      the first time succeeded to quantify the background signals
                      that stem from false rotations of the magnetic dipole
                      moments in the horizontal and longitudinal imperfection
                      magnetic fields of the storage ring. To this end, we
                      developed a new method based on the spin tune response of a
                      machine to artificially applied longitudinal magnetic
                      fields. This novel technique, called spin tune mapping,
                      emerges as a very powerful tool to probe the spin dynamics
                      in storage rings. The technique was experimentally tested in
                      2014 using polarized deuterons stored in the cooler
                      synchrotron COSY, and for the first time, the angular
                      orientation of the stable spin axis at two different
                      locations in the ring has been determined to an
                      unprecedented accuracy of better than 2.8  μrad.},
      cin          = {IKP-2 / IKP-4 / IKP-1 / ZEA-2 / ZEA-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-2-20111104 / I:(DE-Juel1)IKP-4-20111104 /
                      I:(DE-Juel1)IKP-1-20111104 / I:(DE-Juel1)ZEA-2-20090406 /
                      I:(DE-Juel1)ZEA-1-20090406},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF3-612) / srEDM -
                      Search for electric dipole moments using storage rings
                      (694340)},
      pid          = {G:(DE-HGF)POF3-612 / G:(EU-Grant)694340},
      experiment   = {EXP:(DE-Juel1)JEDI-20170712},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000405208500001},
      doi          = {10.1103/PhysRevAccelBeams.20.072801},
      url          = {https://juser.fz-juelich.de/record/834650},
}