Author: Naito, T.
Paper Title Page
MOPAB231 Tunability Study of the Ultra-Low β* Optics at ATF2 with New Octupole Setup and Tuning Knobs 752
 
  • A. Pastushenko, R. Tomás García
    CERN, Geneva, Switzerland
  • A. Faus-Golfe
    Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
  • K. Kubo, S. Kuroda, T. Naito, T. Okugi, N. Terunuma, R.J. Yang
    KEK, Ibaraki, Japan
 
  The main goal of the Accelerator Test Facility 2 (ATF2) is to demonstrate the feasibility of future linear colliders’ final focus systems. The Ultra-low β* optics of ATF2 is designed to have the same chromaticity level as CLIC. To ease the tuning procedure, a pair of octupoles was installed in ATF2 in 2017. This paper reports the optimizations performed to the octupoles’ setup for Ultra-low β* optics including the new alignment technique, based on the waist shift and the new tunning knobs constructed for this optics. The full tuning procedure including the static errors is simulated for this setup.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB231  
About • paper received ※ 19 May 2021       paper accepted ※ 28 July 2021       issue date ※ 12 August 2021  
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