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Paper   IPM / ILSF / 17502
  Title:   Magnetic cross-talk simulation for Iranian Light Source Facility storage ring
1.  S. Yousefnejad
2.  F. Saeidi
3.  M. Razazian
4.  E. Ahmadi
  Status:   Published
  Journal: Journal of Instrumentation
  Year:  2022
  Supported by:  IPM
Magnetic cross-talk due to the small free space between the magnets of a machine may result in significant distortions of the magnetic field integration and performance distortion of the machine. This paper presents the preparation done at the Iranian Light Source Facility (ILSF) on integrated magnetic components of three storage ring (SR) magnets with minimum space between the yokes, modeled separately in Opera-3D code and accumulatively as in the lattice design. The results show that the integrated quadrupole component of the BE2 dipole magnet remains nearly the same, while the integrated dipole and sextupole components are reduced by 0.13% and 4.69%, respectively. By the same token, the integrated quadrupole component of the Q11 in the lattice is decreased by 0.07%, and the integrated sextupole component of the S4 sextupole is reduced by 8.14%. The probable deviation on the higher-order integrated multipoles together with harmonic fields along the beam trajectory are discussed, and some studies are introduced to cut down any deficient effects.

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