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Ivanyan, M.

Paper Title Page
TH5PFP073 Ion Effect Issues in PETRA III 3371
 
  • G.X. Xia
    MPI-P, München
  • M. Ivanyan
    CANDLE, Yerevan
  • K. Manukyan, K.A. Sargsyan
    YSU, Yerevan
  • R. Wanzenberg
    DESY, Hamburg
  
 

At DESY the PETRA accelerator has been converted into a new 3rd generation high-brilliance synchrotron radiation facility called PETRA III. For the first commissioning in spring 2009 a positron beam is used. In the future it is also foreseen to operate the synchrotron light source with an electron beam. Ion effects pose a potential problem to the electron beam operation of PETRA III. In this paper, a weak-strong simulation code is employed to study the ion effect issues in detail for different operation scenarios.

  
FR5RFP037 Impedance of CPMU in SLS Storage Ring 4613
 
  • M. Ivanyan, V.M. Tsakanov, A. Vardanyan
    CANDLE, Yerevan
  • M.M. Dehler, T. Schmidt, A. Streun
    PSI, Villigen
  
 

The longitudinal and transverse impedances of CPMU (cryogenic permanent magnet undulators) of the SLS storage ring are evaluated. The study takes into account the walls frequency dependent conductivity and the electrical and magnetic properties of the material at low temperature.

  
FR5RFP038 Longitudinal and Transverse Resistive Wake Fields in PSI-XFEL Undulator 4616
 
  • M. Ivanyan, V.M. Tsakanov
    CANDLE, Yerevan
  • M.M. Dehler
    PSI, Villigen
  • A. Grigoryan
    YSU, Yerevan
  
 

The resistive longitudinal and transverse wakefields, longitudinal loss and transverse kick factors excited by the electron bunch in undulator section of the PSI-XFEL are given. The ordinary and in vacuum undulators are considered. For in vacuum undulator the modified technique for impedance calculation is developed.