Experimental Study of Crossing-Angle and Parasitic Effects at the PEP-II e+e- Collider

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In a series of dedicated accelerator experiments, we measure the dependence of the PEP-II luminosity performance on small horizontal crossing angles and on the horizontal separation at the first parasitic crossing. The experiment is carried out by varying the IP angle of one of the beams in two different bunch patterns, one with and one without parasitic crossings. The measurements show satisfactory agreement with three-dimensional beam-beam simulations.

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3 pages

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Kozanecki, W.; Narsky, Ilya V.; Cai, Y.; Seeman, J. T. & Sullivan, M. October 7, 2005.

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In a series of dedicated accelerator experiments, we measure the dependence of the PEP-II luminosity performance on small horizontal crossing angles and on the horizontal separation at the first parasitic crossing. The experiment is carried out by varying the IP angle of one of the beams in two different bunch patterns, one with and one without parasitic crossings. The measurements show satisfactory agreement with three-dimensional beam-beam simulations.

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3 pages

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  • Contributed to Particle Accelerator Conference (PAC 05), Knoxville, Tennessee, 16-20 May 2005

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  • Report No.: SLAC-PUB-11216
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 878088
  • Archival Resource Key: ark:/67531/metadc878699

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  • October 7, 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.; Narsky, Ilya V.; Cai, Y.; Seeman, J. T. & Sullivan, M. Experimental Study of Crossing-Angle and Parasitic Effects at the PEP-II e+e- Collider, article, October 7, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc878699/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.