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Paper   IPM / ILSF / 16816
ILSF
  Title:   Characterizing and studying the nonlinear beam dynamics performance of Iranian Light Source Facility storage ring
  Author(s): 
1.  E. Ahmadi
2.  S.M. Jazayeri
3.  J. Rahighi
  Status:   Published
  Journal: Nucl. Instr. and Meth. in Phys. Res. A
  Year:  2019
  Supported by:  IPM
  Abstract:
In this paper, we will investigate the nonlinear beam dynamics issues (performance and optimization) of Iranian Light Source Facility storage ring. The strong sextupole fields together with the imperfections in a low emittance machine will result in the large detuning effects and driving the different order of the resonance lines. We have used most recently achievement for the nonlinear optimization of the storage ring. We have optimized the nonlinearity of the lattice by analyzing the resonance driving terms, direct dynamic aperture tracking and frequency map analysis calculations. We have evaluated the performance of the lattice against different imperfections such as magnet misalignments, multipole harmonics, fringe field of the quadrupoles and insertion devices. Furthermore, the effect of the lattice imperfections on the off-momentum particles dynamics has been studied through momentum acceptance and lifetime calculations.

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