Author: Källberg, A.
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MOPME001 Commissioning of the Double Electrostatic Storage Ring DESIREE 373
 
  • A. Källberg, M. Björkhage, M. Blom, E. Bäckström, H. Cederquist, O.M. Hole, M. Kaminska, P. Löfgren, S. Mannervik, R. Nascimento, P. Reinhed, H.T. Schmidt, A. Simonsson
    Stockholm University, Stockholm, Sweden
  • S. Rosén
    Stockholm University, Department of Physics, Stockholm, Sweden
 
  DESIREE, the double electrostatic storage rings in Stockholm, is now commissioned and used for experiments. The two 9 m circumference storage rings, which are constructed inside a double walled cryostat, are now cooled to 13 K and routinely used for storage of both negative and positive ions with lifetimes of several minutes. The main properties of DESIREE are presented as well as results from the commissioning and the first experiments.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPME001  
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THPME167 Development of Non-invasive Transverse Profile Monitors for the ESS Linac 3656
 
  • C. Roose, C. Böhme, I. Dolenc Kittelmann, A. Jansson, C.A. Thomas
    ESS, Lund, Sweden
  • A. Källberg
    Stockholm University, Stockholm, Sweden
 
  The European Spallation Source (ESS) consists of a partly superconducting linac which will deliver a 2 GeV proton beam to a rotating tungsten target. In this way, the ESS will be the world's most powerful neutron source. To measure the proton beams transverse profile at high intensity, the ESS develops two types of non-invasive profile devices. The first monitor is based on luminescence of the residual gas, the second one on ionization of the same gas. The latest developments of these profile monitors will be presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPME167  
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