Options for an 11 GeV RF Beam Separator for the Jefferson Lab CEBAF Upgrade

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The CEBAF accelerator at Jefferson Lab has had, since first demonstration in 1996, the ability to deliver a 5-pass electron beam to experimental halls (A, B, and C) simultaneously. This capability was provided by a set of three, room temperature 499 MHz rf separators in the 5th pass beamline. The separator was two-rod, TEM mode type resonator, which has a high shunt impedance. The maximum rf power to deflect the 6 GeV beams was about 3.4kW. The 12 GeV baseline design does not preserve the capability of separating the 5th pass, 11 GeV beam for the 3 existing halls. Several ... continued below

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Jean Delayen, Michael Spata, Haipeng Wang May 1, 2009.

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The CEBAF accelerator at Jefferson Lab has had, since first demonstration in 1996, the ability to deliver a 5-pass electron beam to experimental halls (A, B, and C) simultaneously. This capability was provided by a set of three, room temperature 499 MHz rf separators in the 5th pass beamline. The separator was two-rod, TEM mode type resonator, which has a high shunt impedance. The maximum rf power to deflect the 6 GeV beams was about 3.4kW. The 12 GeV baseline design does not preserve the capability of separating the 5th pass, 11 GeV beam for the 3 existing halls. Several options for restoring this capability, including extension of the present room temperature system or a new superconducting design in combination with magnetic systems, are under investigation and are presented.

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  • PAC 2009, 4-8 May 2009, Vancouver, British Columbia, Canada

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  • Report No.: JLAB-ACP-09-1044
  • Report No.: DOE/OR/23177-1697
  • Grant Number: AC05-06OR23177
  • Office of Scientific & Technical Information Report Number: 1021731
  • Archival Resource Key: ark:/67531/metadc841043

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  • May 1, 2009

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  • May 19, 2016, 3:16 p.m.

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  • Aug. 3, 2016, 4:14 p.m.

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Jean Delayen, Michael Spata, Haipeng Wang. Options for an 11 GeV RF Beam Separator for the Jefferson Lab CEBAF Upgrade, article, May 1, 2009; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc841043/: accessed July 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.