Author: Bryzgunov, M.I.
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WECAMH04 Recent Experiments With High Energy Electron Cooler in COSY 67
 
  • V.B. Reva, M.I. Bryzgunov, V.V. Parkhomchuk, D.N. Skorobogatov
    BINP SB RAS, Novosibirsk, Russia
  • V. Kamerdzhiev
    FZJ, Jülich, Germany
  • I.N. Meshkov
    JINR, Dubna, Moscow Region, Russia
 
  The 2 MeV electron cooling system at COSY-Jülich started operation in 2013. The cooling process was observed in the wide energy range of the electron beam from 100 keV to 1.26 MeV. Vertical, horizontal and longitudinal cooling was obtained with bunched and coasting proton beam. This report deals with electron cooling experiments at COSY with proton beam at energy 1.66 and 2.3 GeV. The proton beam was cooled at different regimes: RF on and off, barrier bucket RF, and cluster target on and off.  
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WECBMH02 Collector Ring Project at FAIR: Present Status 86
 
  • P.Yu. Shatunov, V.V. Anashin, E.A. Bekhtenev, D.E. Berkaev, M.I. Bryzgunov, D. Gurov, A.S. Kasaev, V.V. Kolmogorov, I. Koop, A.A. Krasnov, O.I. Meshkov, Yu. A. Rogovsky, T.V. Rybitskaya, A.V. Semenov, Y.M. Shatunov, S.V. Shiyankov, D.B. Shwartz, A.A. Starostenko, A.V. Sukhanov, A.S. Tsyganov, A.V. Utkin
    BINP SB RAS, Novosibirsk, Russia
 
  In November 2013, the FAIR management delegated the responsibility for the technical design, construction, installation, and commissioning of the whole CR and its components from GSI to Budker Institute of Nuclear Physics (BINP). Since that time a lot of modifications of the original design were made aiming to improve the beam parameters and the machine performance. This work shows the present status of the development.  
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WEPSB039 New Techniques for Operation and Diagnostics of Relativistic Electron Coolers 449
 
  • J. Dietrich, M.W. Bruker, A. Hofmann, E. Riehn, T. Weilbach
    HIM, Mainz, Germany
  • K. Aulenbacher, W. Klag
    IKP, Mainz, Germany
  • M.I. Bryzgunov, V.V. Parkhomchuk, V.B. Reva
    BINP SB RAS, Novosibirsk, Russia
 
  The Helmholtz Institut Mainz (HIM) performs experiments related to possible improvements of high-energy d.c.-electron coolers. Results and activities concerning non-invasive beam diagnostics and beam control at large operating currents will be shown. Furthermore, progress of our project to use turbo generators as a means for potential-free power generation in high-energy electron coolers is presented.  
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WEPSB040 Commissioning of the 60 keV Electron Cooler for the NICA Booster 452
 
  • A.V. Bubley, M.I. Bryzgunov, A.P. Denisov, A.D. Goncharov, V.M. Panasyuk, V.V. Parkhomchuk, V.B. Reva
    BINP SB RAS, Novosibirsk, Russia
 
  The 60 keV electron cooler for the NICA booster was designed and constructed at BINP SB RAS. The article describes results of various measurements obtained during its commissioning. Also some details of design and construction of the cooler are discussed.  
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THPSC061 Beam Diagnostics Overview for Collector Ring at FAIR 676
 
  • Yu. A. Rogovsky, E.A. Bekhtenev, M.I. Bryzgunov, O.I. Meshkov
    BINP SB RAS, Novosibirsk, Russia
  • O. Chorniy
    GSI, Darmstadt, Germany
 
  The Collector Ring (CR) is a dedicated storage ring in the FAIR project, where the main emphasis is laid on the effective stochastic precooling of intense secondary beams of stable ions, rare isotopes or antiprotons. A complex operation scheme with several types of operational cycles with beams in CR starting from injection, RF gymnastics, stochastic cooling then, and finishing to extraction is foreseen. Beam parameters changes significantly during the cycles. This demands an exceptional high dynamic range for the beam instrumentation. Non-destructive methods are mandatory for high currents as well as for the low current secondary beams due to the low repetition rate. Precise measurements of all beam parameters and automatic steering with short response time are required due to the necessary exploitation of the full ring acceptances. An overview of the challenges and solutions for various diagnostic installations will be given.  
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