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https://doi.org/10.18429/JACoW-IPAC2018-MOPMF077
Title A Design Study of the Electron-driven ILC Positron Source Including Beam Loading Effect
Authors
  • H. Nagoshi, M. Kuriki
    HU/AdSM, Higashi-Hiroshima, Japan
  • S. Kashiwagi
    Tohoku University, Research Center for Electron Photon Science, Sendai, Japan
  • K. Negishi
    Iwate University, Morioka, Iwate, Japan
  • T. Omori, M. Satoh, Y. Seimiya, J. Urakawa
    KEK, Ibaraki, Japan
  • Y. Sumitomo
    LEBRA, Funabashi, Japan
  • T. Takahashi
    Hiroshima University, Graduate School of Science, Higashi-Hiroshima, Japan
Abstract The In­ter­na­tional Lin­ear Col­lider (ILC) is a next-gen­er­a­tion ac­cel­er­a­tor for high-en­ergy physics to study the Higgs and top sec­tor in the Stan­dard Model, and new physics such as su­per­sym­me­try and dark mat­ter. ILC positron source based on Elec­tron-dri­ven method has been pro­posed as a re­li­able tech­ni­cal backup. In this ar­ti­cle, we re­port the de­sign study of the positron source based on the off-the-shelf RF com­po­nents. The positron is gen­er­ated and ac­cel­er­ated in a multi-bunch for­mat. To com­pen­sate the en­ergy vari­a­tion by the tran­sient beam load­ing ef­fect, we em­ploy AM (Am­pli­tude Mod­u­la­tion) tech­nique and the re­sults were 16.60 ± 0.14 MV (peak-to-peak) for L-band 2m cav­ity dri­ven by 22.5 MW power and 25.76 ± 0.19 MV (peak-to-peak) for S-band 2m ac-cel­er­a­tor dri­ven by 36 MW power with 0.78 A beam load-ing.
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Conference IPAC2018, Vancouver, BC, Canada
Series International Particle Accelerator Conference (9th)
Proceedings Link to full IPAC2018 Proccedings
Session MC1 Poster Session
Date 30-Apr-18   16:00–17:30
Main Classification 01 Circular and Linear Colliders
Sub Classification A03 Linear Colliders
Keywords positron, beam-loading, cavity, acceleration, booster
Publisher JACoW Publishing, Geneva, Switzerland
Editors Shane Koscielniak (TRIUMF, Vancouver, BC, Canada); Todd Satogata (JLab, Newport News, VA, USA); Volker RW Schaa (GSI, Darmstadt, Germany); Jana Thomson (TRIUMF, Vancouver, BC, Canada)
ISBN 978-3-95450-184-7
Published June 2018
Copyright
Copyright © 2018 by JACoW, Geneva, Switzerland     CC-BY Creative Commons License
cc Creative Commons Attribution 3.0