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User name Jin Huang
Log entry time 02:49:37 on April24,2009
Entry number 267728
This entry is a followup to: 267721
keyword=Carbon Vertex are back on LHRSVince and I are tried to inverse Q1 polarity to recover LRHS vertex. It was successful (see plot 1, run # 1301).
fig 2: LHRS Q1 is now set to "positive polarity", which is actually negative polarity as shown in data.
Also, we notice that the trigger rate on LHRS almost increased by 1 order of magnitude (T3=1.2E4/2uA on Carbons).
We are proceding change RHRS Q1 polarity too.
FIGURE 1
FIGURE 2
