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Bartenev, V.

Paper Title Page
WEPKF057 Design and Study of a Superferric Model Dipole and Quadrupole Magnets for the GSI Fast-pulsed Synchrotron SIS100. 1735
 
  • A.D. Kovalenko, N.N. Agapov, V. Bartenev, A. Donyagin, I. Eliseeva, H.G. Khodzhibagiyan, G.L. Kuznetsov, A. Smirnov, M.A. Voevodin
    JINR, Dubna, Moscow Region
  • E. Fischer, G. Moritz
    GSI, Darmstadt
 
  New experimental results from the investigation of a model superferric Nuclotron-type dipole and quadrupole magnets are presented. The magnets operate at pulse repetition rate f = 1Hz, providing peak magnetic field B = 2 T and the field gradient G = 34 T/m in the dipoles and quadrupoles respectively. The superconducting coil is made from a hollow multi-filamentary NbTi cable cooled with two phase helium flow. Different possibilities were investigated to reduce AC power losses in the case of a cold iron yoke (T=4.5K). The achieved results are discussed. The value of 9W/m has been obtained for dipole magnet with the yoke at T=50K. The first 50 K yoke quadrupole was designed and tested. Other problems, connected with the magnetic field quality, mechanical and cryogenic stability of the magnets under SIS100 operating conditions are also discussed.