Author: Felden, O.
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MOP18 Activities for Isotope Sample Production and Radiation Effect Tests at JULIC/COSY Jülich 98
 
  • O. Felden, M. Bai, R. Gebel, R. Hecker
    FZJ, Jülich, Germany
 
  At the Forschungszentrum Jülich (FZJ) the intermediate energy cyclotron JULIC, used as injector of the Cooler Synchrotron (COSY) and COSY itself, have been enabled to perform low to medium current irradiations. Main task is to support the FZJ radionuclide research programme of INM-5. Target holders of the INM-5 were implemented to the external target station of JULIC to obtain reliable irradiations with 45 MeV protons and 76 MeV deuterons for nuclear reaction cross section measurements and medical radionuclide production. For testing of radiation effects, displacement damage DD and single event effects SEE, with energetic protons for electronics used in space and accelerators the beam can be extracted to a dedicated test stand, e.g. used by Fraunhofer INT. To provide these possibilities up to 2.5 GeV as well one external beamline of the cooler synchrotron COSY will be equipped with a new irradiation station and adaption for the dosimetry systems are done. Different dosimetry systems (PTW Farmer® chambers, Bragg Peak chambers, Gafchromic® dosimetry films) are available to monitor and control the ongoing irradiation. This report briefly summarizes the relevant technical activities.  
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THP04 Status of the COSY/Jülich Injector Cyclotron JULIC 310
 
  • H.P. May, M. Bai, O. Felden, R. Gebel
    FZJ, Jülich, Germany
 
  The institute for nuclear physics IKP-4 at the Forschungszentrum Jülich operates the accelerator facility COSY with the isochronous cyclotron JULIC as the pre-accelerator, the cooler synchrotron COSY/Jülich and various experimental facilities for accelerator research and experimental hadron physics developments. The cyclotron has reached in spring 2016, since first beam in 1968, in total about 285000 hours of operation. The ongoing program at the facility foresees increasing usage as a test facility for accelerator research and detector development for realization of FAIR and other novel experiments. In parallel to the operation of COSY the cyclotron beam alone is also used for irradiation and nuclide production for fundamental research. Experience with pulsed ion sources for JULIC enables the development of a dedicated pulsed 100 keV source for protons and negative ions as a contribution to the extra low energy anti-proton synchrotron project ELENA at CERN's anti proton decelerator AD. A brief overview of the activities at the Forschungszentrum Jülich, the cooler synchrotron COSY and its injector cyclotron JULIC, with focus on recent technical developments, will be presented.  
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