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Koiso, H.

Paper Title Page
WEPCH026 Recent Progress of Optics Measurement and Correction at KEKB 1981
 
  • A. Morita, H. Koiso, Y. Ohnishi, K. Oide
    KEK, Ibaraki
  
  We present the progress of the optics measurement and the correction scheme of the KEKB operation for example off-momentum beta correction.  
THPCH116 Continuous Circumference Control and Timing System for Simultaneous Electron-positron Injection at the KEKB 3074
 
  • M. Suetake, H. Koiso, Y. Ohnishi, K. Oide
    KEK, Ibaraki
  
  We have continuously controlled ring circumference with a new method of synthesizer control at the KEKB. The new method stands for continuous controlling of reference frequency of synthesizers. Due to the new circumference control, we stabilized the KEKB circumference within about 6 micrometers. In Fall 2006, KEKB will introduce simultaneous electron-positron injection scheme. We have to change the timing system of KEKB to control the injection phase with pulse-to-pulse injection. We show the plan of the new timing system due to the simultaneous injection scheme.