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User name Deng
Log entry time 15:34:06 on December 4,2009
Entry number 304637
keyword=Beam Recovery Procedure
Beam Checkout Procedure
Beam Energy Lock: On
Fast Feedback:n On
Target: Empty
Raster: OFF
VDCs: On
14:39 Asked for 2uA beam.
BPM A: X=-0.678, Y=-0.021
BPM B: X=-0.666, Y=0.055
BPM position looks good, asked for a harp scan. Could not see the values from
hallA
14:43 Harp scan completed
IHAIH03A sigma X 0.182, sigma Y 0.1526
IHAIH03B sigma X 0.2247, sigma Y 0.1459
14:44 Moved target to BeO target, asked for 5uA with raster off. The beam spot
on the camera is well matching the marker. So, we asked for 10uA beam with
raster size 4x4 (mcc unit). spot++ check, 2.5X2.5 mm^2, looks good.
15:01 Moved target to LD2 loop 1 position. asked 2uA beam with raster size 4x4
(mcc units), set ps=1 for T1 on LHRS, spot++ check, 2.5X2.5 mm^2, looks good.
T1 rate for LHRS is around 1.6KHz
15:15 Asked MCC to change the raster size to 6x6 (mcc unit), T1 rate for LHRS
now is 1.8KHz. Set ps=1 for T1 on LHRS, spot++ check, 4x4 mm^2, looks good.
15:20 Q2 measurement, run 25980/5508, prescal factors set for LHRS:
ps1=ps2=ps3=ps4=ps5=ps6=1, ps7=50, ps8=100
For RHRS, ps1=ps2=ps3=ps4=ps5=ps6=1, ps7=30, ps8=100
15:30 Turned VDC off, ready for production