RC Summary

Monday, March 15 swing through Tuesday, March 16 day

18:30 3/15 Harp scans look good. G0A in particular has very little noise. G0 is still noisy.
19:00 - 04:00 beam position and parity checkout
04:10 3/16 begin LH2 longitudinal running. Four runs on owl... note wrong Wien setting see below.
10:30 3/16 fixed beam positions by requesting H00A and G0B be fixed, then requesting to tweak "in between" G0 and G0B. 6 mm halo rates were then restored to usual values. This is likely a good method to follow when requesting beam positions from scratch for the experiment. Many thanks to Tanya Horn for staying on the phone with MCC for an hour to get this straightened out.
15:00 3/16 Paul King discovered that by measuring the parity violating asymmetry, we can also measure that the Wien angle is wrong. Indeed this was somehow overlooked when restoring for 4-pass. The angle was changed from -12 (wrong setting) to +11 (calculated right setting) deg. Eight runs taken. Six with old Wien. Two with new Wien.

Smooth LH2 running with longitudinal beam.
Moller run 3/17 early day, must be co-ordinated with machine studies at 9:00.
9:00-12:00 3/17 machine studies. There are plans to get experience with tuning in Wien section with large Wien angle during this time.
Energy scan 3/17 late day.
IHWP change afternoon 3/19 followed by Moller runs 3/19 swing (both Tanya Horn and Dave Gaskell are on shift at this time.)
Hall C spin dance 3/22 followed by transverse running.

Unscheduled pending requests:

Harp scans if we get new software from Arne Freyberger.
6 h at 1 uA Fastbus requested by Julie Roche to check PMT gains. Desire is to perform this measurement sometime this week. Note parity quality is not required.

G0 harps... noise on G0A was fixed by Tony Day over the maintenance period and looks great now. We still have to pursue Tony and Arne to get the other harp fixed.
Spikes in the French timing spectra appearing from time to time ... Under investigation by Jacques Arvieux.