Log entry time 08:01:03 on December 5,2007

Entry number 218417

Shift Begins

00:00

Change momentum setting on both arms

p0=642.76 MeV/c  dp/p = 0% 

Target 12 C  (Carbon Elastic Calibration)

00:13-00:18 Run # 3340  evts: 1.9M  Collimators Open.



Move target to Optics target



10uA, dp/p=0%

Runs #   3341  (left,SSlit OUT)  evts:2.5M

         21481 (right,SSlit OUT) evts:2.8M 



50uA Sieve Slits In   dp/p=0%

Runs #  3342  (left,SSlit IN)   evts: 1.58M

        21482(right,SSlit IN)   evts: 1.8M



Changing momentum on both arms to

p0=629.91MeV/c  dp/p = -2% 

50uA

01:10-01:16 Run # 3343 (left, SSlit IN)  evts:1.5M

10uA      

01:24-01:24 Run # 3344 deadtime too high

01:26-01:34 Run # 3345 (left SSLit OUT) evts:2.4M

01:30-01:47 Run # 21483 (right,SSLit IN)evts:1.5M 

01:40-01:46 Run # 3346 (left,SSlit,OUT) evts:1.9M

01:58-02:07 Run # 21484 (right,SSlit,OUT)evts:2.7M

02:04-02:07 Run # 3347  (left, SSlit,IN) evts:0.3M

50uA

02:16-02:25 Run # 3348 (left,SSlit OUT)



The rest of runs are summarized in separate elogs.

Finished Optics runs and calibration runs (see elog)

Finished scan of beam on empty target



06:10 Both spectrometers at set at 40 degrees.

15uA 

Start the scan with the 208 Pb target.

Check the reconstructed target. Changed the momentum of the left arm

to p0=0.61705 GeV/c.

Scanning the lead target



07:25  Changing the momentum to 330. MeV and taking data for 

the crystal calibration.



Shift Ends

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