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Page, T. M.

Paper Title Page
MOPAS019 Focusing Solenoid for the Front End of a Linear RF Accelerator 473
  • I. Terechkine, V. Kashikhin, T. M. Page, M. Tartaglia, J. C. Tompkins
    Fermilab, Batavia, Illinois
  Following a design study, a prototype of a focusing solenoid for use in a superconducting RF linac has been built and is being tested at FNAL. The solenoid cold mass is comprised of the main coil, two bucking coils, and a soft steel flux return. It is mounted inside a dedicated cryostat with a 20 mm diameter warm bore. At the maximum current of 250 A, the magnetic field reaches 7.2 T in the center of the solenoid and is less than 0.01 T at a distance of 200 mm from the center. The flange-to-flange length of the system is 270 mm. This report discusses the main design features of the solenoid and first test results.