Author: Cenede, J.
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TUPMR006 The ELENA Electron Cooler 1236
 
  • G. Tranquille, J. Cenede, A. Frassier, L.V. Jørgensen, A.J. Kolehmainen, B. Moles, M.A. Timmins
    CERN, Geneva, Switzerland
 
  The ELENA (Extra Low ENergy Antiproton) ring will deliver antiprotons at an energy of just 100 keV to experiments aiming to precisely measure the properties of anti-hydrogen atoms. A crucial component of this decelerator ring is the electron cooler which will be used to counter the beam blow-up as the antiproton energy is reduced from 5.3 MeV to 100 keV. The electron cooler will operate at energies below 350 eV in a longitudinal guiding field of 100 G such that the perturbations to the ring can be easily corrected. We will present the design considerations as well as the production status of the cooler.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPMR006  
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THPMB048 Design and Optimisation of the ELENA Electron Cooler Gun and Collector 3354
 
  • G. Tranquille, J. Cenede
    CERN, Geneva, Switzerland
 
  Phase space compression of the antiproton beam in ELENA will be performed by a new electron cooler. The performance of the cooler is greatly influenced by the properties of the electron beam. Careful design of the electron gun electrodes, the quality of the guiding magnetic field and the efficient recuperation of the electrons in the collector ensure that the cooler performance is optimal. We have used COMSOL Multiphysics to design and optimise the complete electron cooler with particular attention to the gun and collector. This software suite uses physics interfaces for modelling common applications and then allows the user to combine the different interfaces in one multi-physics simulation.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPMB048  
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