Log entry time 09:14:30 on March 03, 2012

Entry number 362969

A) Friday Day Shift ~ Saturday Owl Shift (March 2nd ~ March 3rd)

1, We closed the hall on Friday at 1:30pm and beam was in the hall at 5pm.

2, Beam Tuning started at 5pm and continued till midnight. During this
time period, they fixed some ion chamber issues.

3, Two Control Access at 6pm and 8pm to fix target motion and target
valve issues respectively.

4, Target Motion was not functioned around 7:30pm and fixed later remotely.

5, Started BPM calibration around midnight. Harp softare bugs were found
by Alex around 1am. Some BCM, BPM constants were updated.

6, Beam was not stable for the entire owl shift so the calibrations works
went slowly.

7, Control Access at 4:00am to adjust BPM gain, so all previous BPM
calibrations are not discarded. New BPM calibration started before the
end of the owl shift and continued during the day shift of Saturday.

B) Plan on the Weekend + Monday Owl:
1, Hopefully we can finish the BPM, Slow Raster and BCM calibrations
before noon and start taking Optics Data.

2, A short Control Access today for Josh to fix the LHe filling issue in
the target PID Loop. Don't have to access to the pivot area.

3, Moller Measurement will start whenever finishing the first part of
optics data taking. I assume it will start around 12pm.

4, Continue on Optics data taking after Moller Measurement

5, Two Shifts for Compton Measurement.

6, Restricted Access at 7:30am on Monday for Checane adjustment and
target works.

C) Some Special procedure:

1), Do Cross Hair Check before moving to C12 target. Then Put Raster on
C12 to check Spo++ to make sure beam won't hit the targe frame.

2), TO need to watch LHe flow in target loop. DONOT drain LHe3 from NOSE!


Zhihong Ye, Hall-A Run Coordinator