LHeC ERL Design and Beam-dynamics Issues

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We discuss machine and beam parameter choices for a Linac-Ring option of the Large Hadron electron Collider (LHeC) based on the LHC. With the total wall-plug power limited to 100 MW and a target current of about 6 mA the desired luminosity of 1033 cm-2 s-1 can be reached, providing one exploits unique features of the Energy Recovery Linac (ERL). Here, we describe the overall layout of such ERL complex located on the LHC site. We present an optimized multi-pass linac optics enabling operation of the proposed 3-pass Recirculating Linear Accelerator (RLA) in the Energy Recovery mode. We also describe ... continued below

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S.A. Bogacz, I. Shin, D. Schulte, F. Zimmermann September 1, 2011.

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We discuss machine and beam parameter choices for a Linac-Ring option of the Large Hadron electron Collider (LHeC) based on the LHC. With the total wall-plug power limited to 100 MW and a target current of about 6 mA the desired luminosity of 1033 cm-2 s-1 can be reached, providing one exploits unique features of the Energy Recovery Linac (ERL). Here, we describe the overall layout of such ERL complex located on the LHC site. We present an optimized multi-pass linac optics enabling operation of the proposed 3-pass Recirculating Linear Accelerator (RLA) in the Energy Recovery mode. We also describe emittance preserving return arc optics architecture; including layout and optics of the arc switch-yard. Furthermore, we discuss importance of collective effects such as: beam breakup in the RLA, as well as ion accumulation, with design-integrated mitigation measures, and the electron-beam disruption in collision. Finally, a few open questions are highlighted.

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  • IPAC2011, 4-9 Sep 2011, San Sebastian, Spain

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  • Report No.: JLAB-ACP-11-1443
  • Report No.: DOE/OR/23177-1901
  • Grant Number: AC05-06OR23177
  • Office of Scientific & Technical Information Report Number: 1029305
  • Archival Resource Key: ark:/67531/metadc830390

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Office of Scientific & Technical Information Technical Reports

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  • September 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Aug. 3, 2016, 6:36 p.m.

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S.A. Bogacz, I. Shin, D. Schulte, F. Zimmermann. LHeC ERL Design and Beam-dynamics Issues, article, September 1, 2011; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc830390/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.