Orbit Response Matrix Analysis Applied at PEP-II

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The analysis of orbit response matrices has been used very successfully to measure and correct the gradient and skew gradient distribution in many accelerators. It allows determination of an accurately calibrated model of the coupled machine lattice, which then can be used to calculate the corrections necessary to improve coupling, dynamic aperture and ultimately luminosity. At PEP-II, the Matlab version of LOCO has been used to analyze coupled response matrices for both the LER and the HER. The large number of elements in PEP-II and the very complicated interaction region present unique challenges to the data analysis. All necessary tools ... continued below

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3 pages

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Steier, C.; Wolski, A.; /LBL, Berkeley; Ecklund, S.; Safranek, J.A.; Tenenbaum, P. et al. May 17, 2005.

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The analysis of orbit response matrices has been used very successfully to measure and correct the gradient and skew gradient distribution in many accelerators. It allows determination of an accurately calibrated model of the coupled machine lattice, which then can be used to calculate the corrections necessary to improve coupling, dynamic aperture and ultimately luminosity. At PEP-II, the Matlab version of LOCO has been used to analyze coupled response matrices for both the LER and the HER. The large number of elements in PEP-II and the very complicated interaction region present unique challenges to the data analysis. All necessary tools to make the analysis method useable at PEP-II have been implemented and LOCO can now be used as a routine tool for lattice diagnostic.

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3 pages

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  • Presented at the 9th European Particle Accelerator Conference (EPAC 2004), Lucerne, Switzerland, 5-9 Jul 2004

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  • Report No.: SLAC-PUB-11226
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 890853
  • Archival Resource Key: ark:/67531/metadc882402

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  • May 17, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 9, 2016, 9:35 p.m.

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Steier, C.; Wolski, A.; /LBL, Berkeley; Ecklund, S.; Safranek, J.A.; Tenenbaum, P. et al. Orbit Response Matrix Analysis Applied at PEP-II, article, May 17, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc882402/: accessed December 10, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.