MULTIOBJECTIVE DYNAMIC APERTURE OPTIMIZATION AT NSLS-II

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In this paper we present a multiobjective approach to the dynamic aperture (DA) optimization. Taking the NSLS-II lattice as an example, we have used both sextupoles and quadrupoles as tuning variables to optimize both on-momentum and off-momentum DA. The geometric and chromatic sextupoles are used for nonlinear properties while the tunes are independently varied by quadrupoles. The dispersion and emittance are fixed during tunes variation. The algorithms, procedures, performances and results of our optimization of DA will be discussed and they are found to be robust, general and easy to apply to similar problems.

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Yang, L.; Li, Y.; Guo, W. & Krinsky, S. March 28, 2011.

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In this paper we present a multiobjective approach to the dynamic aperture (DA) optimization. Taking the NSLS-II lattice as an example, we have used both sextupoles and quadrupoles as tuning variables to optimize both on-momentum and off-momentum DA. The geometric and chromatic sextupoles are used for nonlinear properties while the tunes are independently varied by quadrupoles. The dispersion and emittance are fixed during tunes variation. The algorithms, procedures, performances and results of our optimization of DA will be discussed and they are found to be robust, general and easy to apply to similar problems.

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  • Particle Accelerator Conference 2011; New York, New York; 20110328 through 20110401

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  • Report No.: BNL--94896-2011-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 1013094
  • Archival Resource Key: ark:/67531/metadc833958

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  • March 28, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Aug. 29, 2016, 2:23 p.m.

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Yang, L.; Li, Y.; Guo, W. & Krinsky, S. MULTIOBJECTIVE DYNAMIC APERTURE OPTIMIZATION AT NSLS-II, article, March 28, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc833958/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.