Beam Based Calibration of Slow Orbit Bump in the NSLS Booster

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The orbit bumps in NSLS booster are used to move the beam orbit within 2mm of the extraction septum aperture on a time scale of millisecond at extraction in order to reduce the requirement on the amplitude of the fast extraction kicker. This may cause charge losses since before extraction, the beam stays on the distorted orbit for thousands of revolutions. In order to find the optimal orbit bump setpoint, which brings the maximum distortion at the extraction position and minimum distortions everywhere else, we developed an extraction model and performed an experiment to validate it. Afterwards, the model was ... continued below

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Yang, X.; Shaftan, T. & Rose, J. May 4, 2009.

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The orbit bumps in NSLS booster are used to move the beam orbit within 2mm of the extraction septum aperture on a time scale of millisecond at extraction in order to reduce the requirement on the amplitude of the fast extraction kicker. This may cause charge losses since before extraction, the beam stays on the distorted orbit for thousands of revolutions. In order to find the optimal orbit bump setpoint, which brings the maximum distortion at the extraction position and minimum distortions everywhere else, we developed an extraction model and performed an experiment to validate it. Afterwards, the model was applied to optimize the extraction process.

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  • Particle Accelerator Conference (PAC09); Vancouver, Canada; 20090504 through 20090508

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  • Report No.: BNL--90435-2009-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 979356
  • Archival Resource Key: ark:/67531/metadc932855

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Office of Scientific & Technical Information Technical Reports

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  • May 4, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 8:29 p.m.

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Yang, X.; Shaftan, T. & Rose, J. Beam Based Calibration of Slow Orbit Bump in the NSLS Booster, article, May 4, 2009; United States. (digital.library.unt.edu/ark:/67531/metadc932855/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.