Author: Kalinin, V.A.
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FRCAMH01 The Carbon Ion Beam Extraction Scheme From the U-70 Synchrotron for Radiobiological Researches 139
 
  • A.V. Maximov, Y.M. Antipov, G.I. Britvich, S.V. Ivanov, V.A. Kalinin, G.V. Khitev, O.P. Lebedev, E.A. Ludmirsky, A.P. Soldatov
    IHEP, Moscow Region, Russia
 
  The carbon ion beam extraction scheme from the U-70 synchrotron of NRC "Kurchatov institute" - IHEP for radiobiological researches is presented. The double-step extraction scheme Piccioni-Wright is used. The beam extraction operates at magnetic field flat bottom of U-70 synchrotron with carbon ion energy 455 MeV/n. A technique to attain transversally uniform dose field and other operational results are also presented.  
slides icon Slides FRCAMH01 [1.978 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-FRCAMH01  
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WEPSB26 Upgrading of the Power Supply for Magnet U-70 Synchrotron 335
 
  • An.M. Markin, V.A. Kalinin, O.P. Lebedev
    IHEP, Moscow Region, Russia
 
  The U-70 NRC "KI" - IHEP ring magnet made-up of combined functions, this magnet used to steer and focus a beam simultaneously. The existing commercial power supply with pulse-width modulation (PWM) voltage was not suitable because of electromagnetic incompatibility. The problem of suppressing 100% output voltage ripples by about minus 60 dB, was solved. It is planned to use the upgraded source to deaccelerate the beam of light ions in the U-70 synchrotron. The goal is to increase the energy range of the ejection beams to physical, medical, etc. researches.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB26  
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THPSC36 Experimental Study of the Transverse Beam Size Used a Fast Wire Scanner in the U70 at IHEP 480
 
  • V.A. Kalinin, V.T. Baranov, G.V. Khitev, O.P. Lebedev
    IHEP, Moscow Region, Russia
 
  Results of experimental study of the transverse beams size in the U70 synchrotron based on a fast wire scanner are given. Measurements of the transverse beam size were carried out at three special points of the U-70 synchrotron magnetic cycle: on the injection flat top (1.3 GeV proton, 0.455 GeV/u carbon); in the region of the transition energy (7.959 GeV proton); on the main flat top (49 GeV proton). Results of the fast wire scanner approbation for determination of transverse injection errors and evaluating transverse feedback efficiency are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THPSC36  
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