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SLAC Publication: SLAC-PUB-14564
SLAC Release Date: December 9, 2011
Status of the ATF2 Lattices
Marin Lacoma, Eduardo.
The current status for the ATF2 Nominal and Ultra-low beta* lattices are presented in this paper. New lattice designs have been obtained in order to minimise the impact of the last interpretation of multipole measurements that have been included into the model. However, the new ATF2 Ultra-low design is not able to recover the expected vertical beam size at the IP with the current magnet distribution. Therefore, different quadrupole sorting have been studied. A significant gain is evident for th... Show Full Abstract
The current status for the ATF2 Nominal and Ultra-low beta* lattices are presented in this paper. New lattice designs have been obtained in order to minimise the impact of the last interpretation of multipole measurements that have been included into the model. However, the new ATF2 Ultra-low design is not able to recover the expected vertical beam size at the IP with the current magnet distribution. Therefore, different quadrupole sorting have been studied. A significant gain is evident for the ATF2 Ultra-low lattice when sorting the magnets according to the skew-sextupolar components. The ATF2 Nominal lattice is also expected to benefit from the new sorting. Tuning results of the new ATF2 Ultra-low lattice under realistic imperfections are also reported. Show Partial Abstract
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  • Interest Categories: Accelerator Physics