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| MOPAS019 |
Focusing Solenoid for the Front End of a Linear RF Accelerator
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473 |
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- I. Terechkine
- V. Kashikhin, T. M. Page, M. Tartaglia, J. C. Tompkins
Fermilab, Batavia, Illinois
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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.
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