Static and dynamic magnetic end effects and correction magnets for the AGS Booster

The multipurpose AGS Booster under construction has very variable requirements: precision rapid cycling for very-high-intensity protons and polarized protons, combined with a high vacuum system and a large dynamic range slow cycle for heavy ion acceleration. Magnet ends are shaped to minimize aberrations both internally (2-D) and integrally (3-D). For the Booster this involves static, magnetization cycle and eddy current fields. The 0.5-m-long, 16.5-cm bore quadrupoles with shaped ends produce integral 3-D values measured at full aperture which are pure quadrupole to ~1×10^-4 independent of rise rate. Detailed results are presented. Dipole properties and dipole, quadrupole tracking are discussed for different cycles