Experimental Characterization of PEP-II Luminosity And Beam-Beam Performance

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The beam-beam performance of the PEP-II B-Factory has been studied by simultaneously measuring the instantaneous luminosity, the horizontal and vertical e{sup +} and e{sup -} beam sizes in the two rings, and the spatial extent of the luminous region as extracted from BaBar dilepton data. These quantities, as well as ring tunes, beam lifetimes and other collider parameters are recorded regularly as a function of the two beam currents, both parasitically during routine physics running and in a few dedicated accelerator physics experiments. They are used to quantify and improve the PEP-II beam-beam performance.

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3 pages

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Kozanecki, W.; Baak, M. A.; Seeman, J.; Sullivan, M. K. & Wienands, U. May 9, 2005.

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The beam-beam performance of the PEP-II B-Factory has been studied by simultaneously measuring the instantaneous luminosity, the horizontal and vertical e{sup +} and e{sup -} beam sizes in the two rings, and the spatial extent of the luminous region as extracted from BaBar dilepton data. These quantities, as well as ring tunes, beam lifetimes and other collider parameters are recorded regularly as a function of the two beam currents, both parasitically during routine physics running and in a few dedicated accelerator physics experiments. They are used to quantify and improve the PEP-II beam-beam performance.

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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-11158
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 890850
  • Archival Resource Key: ark:/67531/metadc882563

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  • May 9, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Aug. 1, 2017, 12:30 p.m.

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Kozanecki, W.; Baak, M. A.; Seeman, J.; Sullivan, M. K. & Wienands, U. Experimental Characterization of PEP-II Luminosity And Beam-Beam Performance, article, May 9, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc882563/: accessed December 10, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.