Author: Barna, D.
Paper Title Page
MOPJE043 Design and Optimization of Electrostatic Deflectors for ELENA 382
 
  • D. Barna
    University of Tokyo, Tokyo, Japan
  • W. Bartmann, M.A. Fraser, R. Ostojić
    CERN, Geneva, Switzerland
 
  The ELENA ring will decelerate the antiprotons ejected from the Antiproton Decelerator (AD) at 5.3 MeV down to 100 keV kinetic energy. The slow antiprotons will be delivered to experiments using electrostatic beamlines, consisting of quadrupoles, correctors and deflectors. An extensive simulation study was carried out to find solutions to minimize the aberrations of the deflectors. These solutions will be presented together with the actual design of these devices.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPJE043  
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MOPJE044 Beam Dynamics Studies of the ELENA Electrostatic Transfer Lines 385
 
  • M.A. Fraser, W. Bartmann, R. Ostojić
    CERN, Geneva, Switzerland
  • D. Barna
    University of Tokyo, Tokyo, Japan
 
  The low-energy ELENA ring at the Antiproton Decelerator (AD) facility at CERN will lower the kinetic energy of antiproton beams from 5.3 MeV to 100 keV, significantly increasing the antiproton trapping efficiency at the experiments. The antiprotons from ELENA will be distributed to two experimental areas housing several different experiments through a system of electrostatic transfer lines totalling 90 m in length. A significant optimisation of the electrostatic optical elements (deflectors, quadrupoles, and correctors) has been carried out to improve the beam quality delivered to the experiments and facilitate installation of the beam lines into the AD hall. A general overview of the beam optics is presented, including end-to-end particle tracking and error studies from the extraction point in the ELENA ring to the experiments.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPJE044  
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