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Tsakanian, A. V.

Paper Title Page
TUPP075 Numerical Studies of Resistive Wall Effects 1709
 
  • A. V. Tsakanian
    Uni HH, Hamburg
  • M. Dohlus, I. Zagorodnov
    DESY, Hamburg
 
  In this paper we describe a new numerical code to calculate wakefields of resistive wall geometries. Our code is based on conformal implicit scheme. It allows to estimate wakefields of very short bunches taking into account transitive effects neglected in the European XFEL impedance budget so far.  
TUPP076 Longitudinal and Transverse Impedances of XFEL Kicker Vacuum Chamber 1712
 
  • A. V. Tsakanian, J. Rossbach
    Uni HH, Hamburg
  • M. Ivanyan
    CANDLE, Yerevan
 
  In European XFEL project beam delivery system the kicker magnet vacuum chamber design is composed of the ceramic pipe coated with Titanium Stabilized High Gradient Steel. In this paper the results of the study for the longitudinal and transverse impedances for such a laminated vacuum chamber are presented. The field matching technique is used to calculate the vacuum chamber impedances. The loss and kick factors are given.