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Kurnyshov, R.V.

Paper Title Page
TH5PFP057 Measured and Calculated Field Properties of the SIS 100 Magnets Described Using Elliptic and Toroidal Multipoles 3336
 
  • E.S. Fischer, A. Mierau, P. Schnizer
    GSI, Darmstadt
  • P.G. Akishin
    JINR, Dubna, Moscow Region
  • R.V. Kurnyshov
    Electroplant, Moscow
  • B. Schnizer
    TUG/ITP, Graz
  • P.A. Shcherbakov
    IHEP Protvino, Protvino, Moscow Region
  
 

The first full size superconducting dipole magnets for the SIS 100 Tm synchrotron were built and tested. The achieved magnetic field has been measured with a rotating coil probe. An intensive Finite Element R&D, necessitated by the used superconducting cable as well as by the complex mechanical coil and yoke structure, allows calculating the field with high accuracy. Elliptic multipoles were used to describe the field within the whole aperture of the vacuum chamber. As the final design for the SIS 100 dipoles is curved, we developed toroidal multipoles describing the field within a curved magnet, and enabling us to interpret the measurement of a rotating coil probe within such magnets. We describe the performance of the magnetic measurement system, present the measured field properties and compare them to the calculated ones.