Log entry time 22:35:00 on December 19, 2011

Entry number 360950

Moller polarimeter test results on December 19, 12:00-22:30

• Crew: Roman, Sasha
• Wien filter angle is 0.0°
• The raster was OFF.
• The half wave plate was OUT.
• Beam was straight.
• Moller detector HV adjustment for 3 passes energy was done.
• 12:00 - 14:20 Beam restoration, Moller settings, Moller FSD problem
• Moller FSD problem was fixed(see elog 1655865)
• 14:20 - 16:48 No beam
• 16:48 - 17:40 Runs 15040-15046 Moller detector HV tuning (Helicity 30Hz, Beam charge asymmetry is huge -0.04206)
• Runs 15048-15049 Helicity 960Hz
• Runs 15050-15063: Moller Quad1 scan.
• Runs 15064-15072: Moller Quad3 scan.
• Run 15075 (20:08) Beam charge asymmetry is back to normal (0.00071).
• Runs 15073-15081: Target 4 test.
• Runs 15082-15 : Target 2 test.
• Beam polarization ~62%.