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Prototype of the Superferric Dipoles for the Super-FRS of the FAIR-Project

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8 Author(s)
Hanno Leibrock ; GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany ; Eric Floch ; Gebhard Moritz ; Lizhen Ma
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The FAIR China Group (FCG), consisting of the Institute of Modern Physics (IMP Lanzhou), the Institute of Plasma Physics (ASIPP, Hefei) and the Institute of Electric Engineering (IEE, Beijing) developed and manufactured in cooperation with GSI, Germany a prototype of a superferric dipole for the Super-Fragment-Separator of the FAIR-project. The dipole magnets of the separator will have a deflection radius of 12.5 m, a field up to 1.6 T, a gap of at least 170 mm and an effective length of more than 2 meters to bend ion beams with a rigidity from 2 T ¿¿ m up to 20 T ¿¿ m. The magnets operate at DC mode. These requirements led to a superferric design with a yoke weight of more than 50 tons and a maximum stored energy of more than 400 kJ. The principles of yoke, coil and cryostat construction will be presented. We will also show first results of tests and measurements realized at ASIPP and at IMP.

Published in:

IEEE Transactions on Applied Superconductivity  (Volume:20 ,  Issue: 3 )