Interaction Region Upgrades of e+ e- B-Factories

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Both the PEP-II and KEKB B-Factories have plans to upgrade their Interaction Regions (IRs) in order to improve luminosity performance. Last summer PEP-II added cooling to the IR beam pipe in order to increase beam currents thereby raising the luminosity. In addition, PEP-II is working on a design that modifies the permanent magnets near the Interaction Point (IP) for an even higher luminosity increase. KEKB is also planning an improvement to their IR that will decrease the detector beam pipe radius. In addition, KEK has a design to increase the luminosity of KEKB to 1 x 10{sup 35} cm{sup -2} ... continued below

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Sullivan, M. February 22, 2008.

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Both the PEP-II and KEKB B-Factories have plans to upgrade their Interaction Regions (IRs) in order to improve luminosity performance. Last summer PEP-II added cooling to the IR beam pipe in order to increase beam currents thereby raising the luminosity. In addition, PEP-II is working on a design that modifies the permanent magnets near the Interaction Point (IP) for an even higher luminosity increase. KEKB is also planning an improvement to their IR that will decrease the detector beam pipe radius. In addition, KEK has a design to increase the luminosity of KEKB to 1 x 10{sup 35} cm{sup -2} sec{sup -1} which includes changes to the IR. PEP-II is also investigating the feasibility of a 1 x 10{sup 36} cm{sup -2} sec{sup -1} luminosity design. I summarize these various upgrades and concentrate on issues common to the different designs.

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  • Journal Name: Conf.Proc.C030512:340,2003; Conference: To appear in the proceedings of Particle Accelerator Conference (PAC 03), Portland, Oregon, 12-16 May 2003

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  • Report No.: SLAC-PUB-13137
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 924105
  • Archival Resource Key: ark:/67531/metadc901220

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  • February 22, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Sept. 26, 2017, 2:56 p.m.

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Sullivan, M. Interaction Region Upgrades of e+ e- B-Factories, article, February 22, 2008; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc901220/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.