1. Basic Error & Multipole Error for MEIC Ion Ring
G. Wei, V.S. Morozov, Fanglei Lin
MEIC R&D Meeting, JLab, Aug 18, 2015
F. Lin

2. Contents Study of basic error Study of multipole error of magnets
Summary

3. Error Study Basic error in step 1:
Magnet: misalignment of 3-D, x-y rotation, and strength error
FFQ: error neglected in the initial study, to keep (x=x’=0 & y=y’=0) & nonlinear IP
FFQ in KEKB study: 10 % of normal Quads
IPAC14’ MOPRO005, V.S. Morozov,etc

4. Error Study
Dipole
Quadrupole
Sextupole
BPM(noise)
Corrector
x misalignment(mm)
0.1
0.02 -
y misalignment(mm)
x-y rotation(mrad)
s misalignment(mm)
Strength error(%)
0.01
Error: Gaussian distributions with a cut-off at 3 standard deviations.

6. Super B
SuperB Progress Reports

7. slac-r-418a-PEPII: PEPII CDR June 1993

8. Summary Super computer is needed
Seeds number is needed to think about.