Design Study for the SIS 300 Main Quadrupoles

Various models for the main dipole of the SIS 300 have been manufactured by GSI and Brookhaven (GSI001), IHEP (a 1 m long 6 T model magnet currently under construction) and INFN (a 4.5 T curved magnet for the actual FODO lattice, also under construction). These different magnets reflect the design changes of the SIS 300 over the recent years. Based on the current lattice design studies for the main quadrupoles were started at GSI. In the presentation the actual status of the work on these magnets will be reviewed. Magnetic field quality, AC losses and quench protection aspects of the current design will be addressed.