Author: Terekhov, V.I.
Paper Title Page
THPSC28 A System for Monitoring Beam Losses at the IHEP U-70 Accelerator 466
 
  • V.I. Terekhov, G.M. Antonichev, V.T. Baranov, D.A. Savin, E.A. Syshchikov
    IHEP, Moscow Region, Russia
  • V.A. Kokovin
    SUD, Dubna, Moscow region,, Russia
 
  Updated beam monitor system executes continuous monitoring surveillance beam losses around the IHEP U­70 accelerator. The system consists of 120 detectors. One is located upstream of each bending magnet in the median plane outside of the beam-pipe at 60 cm apart. The detectors are cheap ion chambers filled with air under barometric pressure and 1.8 liter volume. Chamber signals processing is based on digital integration and done in the framework of the U­70 Control System. Acquired data are used to facilitate tuning of the accelerator, minimize beam losses at any point of the machine circumference and consequently decrease damage for accelerator equipment. This report gives a brief description of the system and the result of run experience as an example.  
DOI • reference for this paper ※ https://doi.org/10.5072/JACoW-RuPAC2018-THPSC28  
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TUYMH01
Recent Study and Use Crystal Deflectors in U-70 Accelerator of IHEP - Status and Prospects  
 
  • A.G. Afonin, V.T. Baranov, E.V. Barnov, Y.A. Chesnokov, O.P. Lebedev, V.A. Maisheev, A. Maksimov, S.F. Reshetnikov
    IHEP, Moscow Region, Russia
  • V.I. Terekhov
    Insititute of High Energy Physics (IHEP), People's Republic of China
 
  Curved crystals have been successfully used for a long time on the proton synchrotron U-70 of IHEP for the extraction of high-energy proton beams. With the beginning of the program for accelerating carbon ions at the U-70, crystalline deflectors of different lengths and different bending angles have also found application to provide experimental physical installations with ion beams. The report overviews recent results of activity in implementing crystal deflectors to extract proton and ion beams for the fixed-target experiments at the U-70 synchrotron of IHEP of National Research Centre "Kurchatov Institute".  
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