Author: Oki, T.
Paper Title Page
TUPIK059 Recent Progress of Dithering System at SuperKEKB 1827
 
  • Y. Funakoshi, H. Fukuma, T. Kawamoto, M. Masuzawa, S. Nakamura, K. Ohmi, T. Oki, S. Uehara
    KEK, Ibaraki, Japan
  • P. Bambade, D. El Khechen, D. Jehanno, V. Kubytskyi, C. Rimbault
    LAL, Orsay, France
  • A.S. Fisher
    SLAC, Menlo Park, California, USA
  • U. Wienands
    ANL, Argonne, Illinois, USA
 
  Recent progress of the dithering system at SuperKEKB is described. Some details of the system layout are shown. Beam orbit and optics related issues are discussed. Preliminary tests of the some components in the Phase 1 beam commissioning or in the bench are described.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPIK059  
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WEPIK010 Commissioning Status of SuperKEKB Main Ring Magnet System 2933
 
  • M. Masuzawa, T. Adachi, K. Egawa, T. Kawamoto, S. Nakamura, Y. Ohsawa, T. Oki, R. Sugahara, R. Ueki
    KEK, Ibaraki, Japan
 
  SuperKEKB is an electron-positron collider, which aims for the very high peak luminosity of 8x1035 cm-2s-1 , 40 times higher than that of KEKB. The SuperKEKB Main Ring (MR) system is very large, consisting of more than 1700 water-cooled normal-conducting magnets and about 900 air-cooled normal-conducting magnets. More than 400 magnets and power supplies were newly fabricated, tested and installed for SuperKEKB Phase I beam operation. The MR magnet system worked well, which contributed greatly to the smooth start-up of the MR. Commissioning status of the MR magnet system during SuperKEKB Phase I operation will be reported. Some problems resulting in beam abort will also be reported.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPIK010  
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WEPVA057 High-Stability Magnet Power Supplies for SuperKEKB 3391
 
  • T. Oki, T. Adachi, S. Nakamura
    KEK, Ibaraki, Japan
 
  For the SuperKEKB, over 2,000 of magnet power supplies were recycled and around 300 of power supplies were newly fabricated. The newly fabricated power supplies include high performance power supplies: the main bending/wiggler magnet power supplies and the power supplies for final-focus superconducting magnets installed around an interaction point. High power tests were performed and the results are reported.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPVA057  
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