Leader: Bryan Moffit
Target: Xin Qian
Worker: Yi Qiang
Beam Energy = 2.637 GeV
Target Lasers On : 1, 2, duo1
Summary Finished harp scans, raster check (2x2), and position
scan over empty target and reference cell.
Significant Events
- 00:00 Began shift with harp scans.
- 00:20 Asked MCC to work on increasing spot size.
- 00:37 Try another harp scan.
- 00:41 Asked MCC to keep working on beam
spot size.. saw very little change.
- 00:54 Try another harp scan
- 01:10 Try yet another harp scan.
- 01:26 Eugene calls and asks what time
he'll need to come in. I said probably within 3-4 hours. I hope that
I am right.
- 01:30 More harp.
- 02:00 Bryan runs over to MCC to run harp
scans while ops tunes. Decide to go with MCC's current tune, their
harp results look good.
- 02:30 Remove beam for target polarization
measurement.
- 02:35 Asked MCC to ramp up the raster
coils (mcc's 3x3).
- 02:40 Target moved back to empty, asked
for 2µA rastered beam.
- 03:05 Asked for 0.5µA rastered
beam. Starting position scan on reference cell.
- 03:37 Began position scan over empty
target position.
- 05:30 Target polarization measurement.
- 05:43 Begin position scan over reference cell.
- 05:47 Noticed that run number was not
incrementing.. might've been because another CODA had be run.
- 07:15 Target Polarization Measurement
Data Run Summary
- 02:42 Run 2783 -
Raster Check (Empty),
- 03:21 Run 2784 -
Position Scan 1 (H2 reference),
- 03:51 Run 2785 -
Position Scan1 (Empty),
- 05:45 Run 2786 -
Position Scan3 (Empty),
- 05:53 Run 2787 -
Position Scan (H2 reference),
- 06:00 Run 2788 -
Position Scan (H2 reference),
- 06:08 Run 2789 -
Position Scan (H2 reference),
- 06:18 Run 2790 -
Position Scan (H2 reference),
- 06:29 Run 2791 -
Position Scan (H2 reference),
- 06:39 Run 2792 -
Position Scan (H2 reference),
- 06:46 Run 2793 -
Position Scan (H2 reference),
- 06:55 Run 2794 -
Junk Run (H2 reference), BB HV off.
- 06:57 Run 2795 -
Position Scan (H2 reference),
- 07:39 Run 2796 -
Position Scan (H2 reference),
- 07:52 Run 2797 -
Position Scan (H2 reference),
- 07:57 Run 2798 -
Position Scan (H2 reference),
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