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@PROCEEDINGS{Shankar:1017836,
      author       = {Shankar, Rahul and Lenisa, Paolo and Lehrach, Andreas},
      title        = {{O}ptimization of spin-coherence time for electric dipole
                      moment measurements},
      volume       = {PSTP2022},
      publisher    = {Sissa Medialab Trieste, Italy},
      reportid     = {FZJ-2023-04359},
      series       = {Proceedings of Science (PoS)},
      year         = {2023},
      abstract     = {The JEDI experiment is dedicated to the search for the
                      electric dipole moment (EDM) of charged particles using
                      storage rings, which can be a very sensitive probe of
                      physics beyond the Standard Model. In order to reach the
                      highest possible sensitivity, a fundamental parameter to be
                      optimized is the Spin Coherence Time (SCT), i.e., the time
                      interval within which the particles of the stored beam
                      maintain a net polarization greater than 1/e. To identify
                      the working conditions that maximize SCT, accurate
                      spin-dynamics simulations with the code BMAD have been
                      performed on the lattice of a "prototype" storage ring which
                      uses a combination of electric and magnetic fields for
                      bending. This contribution will present an analysis of the
                      mechanisms behind the decoherence, some techniques to
                      maximize SCT through the optimization of second-order
                      focusing parameters, and the exclusive beam and spin
                      dynamics effects of the electric component of bending
                      fields.},
      month         = {Sep},
      date          = {2022-09-26},
      organization  = {19th Workshop on Polarized Sources,
                       Targets and Polarimetry, Mainz
                       (Germany), 26 Sep 2022 - 30 Sep 2022},
      cin          = {IKP-4},
      cid          = {I:(DE-Juel1)IKP-4-20111104},
      pnm          = {621 - Accelerator Research and Development (POF4-621) / 613
                      - Matter and Radiation from the Universe (POF4-613)},
      pid          = {G:(DE-HGF)POF4-621 / G:(DE-HGF)POF4-613},
      experiment   = {EXP:(DE-Juel1)JEDI-20170712},
      typ          = {PUB:(DE-HGF)3 / PUB:(DE-HGF)26},
      doi          = {10.22323/1.433.0024},
      url          = {https://juser.fz-juelich.de/record/1017836},
}