Make New Entry, Make Followup Entry
User name Yi Qiang
Log entry time 16:52:45 on June12,2009
Entry number 280808
This entry is a followup to: 280806
keyword=Those two peaks are from 4He in the target chamberSee plots. Those two peaks are scattered electrons from 4He gas in the target enclosure which pass through the gaps on both sides of the sieve plate. They form peaks because of very limited angular acceptance.
FIGURE 1
FIGURE 2
