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User name mhuang
Log entry time 00:13:24 on May 4,2012
Entry number 382047
Followups:
keyword=Effect on left septum fieldFigure1 shows comparison of VertexZ vs. tg_theta distribution between good left septum run 2725 and current one 4172.
It shows that left septum field asymmetry caused by right missing coils has obvious effect that it causes vertical and horizontal correlation of electron rays, similar to right situation...
Figure 2 is the right arm distribution of broken septum taken at 1.7GeV beam (23168), for reference.
FIGURE 1
FIGURE 2
