Action-kick sensitivity to HGQ field errors at collision (R0 = 10 mm):

Multipole 	|\Delta J/J\right| (10^{-3}) 
b_3/a_3		4.7
b_4/a_4		7.6
b_5/a_5		12.3
b_6/a_6		19.9
b_7/a_7		32.2
b_8/a_8		52.4
b_9/a_9		85.3
b_10/a_10	139.

1. 1 unit (@1.0 cm) multipole error on one (Q2A$+$Q2B) quad set

2. beta*=0.5 m; 11 sigma amplitude with zero crossing angle