Main INDEX
Monthly INDEX
PREV
NEXT
User name F.Benmokhtar
Log entry time 08:15:17 on Oktober27,2000
Entry number 51025
keyword=Shift Summary.
Shift crew : *Fatiha Benmokhtar
******** *Nilanga Liyanage: 00:00-4:00 am.
*Joe Mitchel: 4:00-8:00 am
Shift Summary:
*************
00:00- Continue with Carbon target.
00:15- Move to 15 cm dummy target, 30 uA, rater on.
00:30- Move to Hydrogen target, try to get 30 uA raster on.
00:45- Got 30uA.
01:00- Cycling Quads, Move Spectrometers to the New Settings.
Theta_L= 38.73 deg , P_L = 1.5315 GeV/c.
Theta_R= 38.73 deg , P_R =1.5315 GeV/c.
01:50- Setting trigger, and start running Elastic Hydrogen, 30 uA.
02:15- Move to Carbon Multifoil target, 40 uA, raster off.
02:30- Move to 15 cm Dummy target, 30 uA, raster on.
02:50- Move to Carbon target, 30 uA, raster off.
03:02- Finish with this setting, beam turned off, in this time we
Cycled Quads and move spectrometers.
03:30- Spectrometers Moved to the new setting:
Theta_L= 29.5 deg , P_L = 1.791 GeV/c.
Theta_R= 46.966 deg , P_R =1.2100 GeV/c.
03:45- Got beam, Running with carbon target, 40 uA, raster off.
03:55- Changed to 15 cm dummy target, 30 uA, raster on.
04:05- Changed to Hydrogen target, 30 uA, raster on.
04:40- Hydrogen, 20 uA. Joe wanted test the target with current
Scan runs.
04:55- Hydrogen, 10 uA.
05:25- Hydrogen, 6 uA.
05:45- Cosmic run
05:50- Carbon run, 5 uA.
06:00- Cycling Quads, Moving Spectrometers to:
Theta_L= 20.5 deg , P_L = 2.057 GeV/c.
Theta_R= 57.33 deg , P_R =0.8559 GeV/c.
06:57- Move to Hydrogen target, 10 uA.
07:15- Move to 15 cm dummy target., 30 uA, raster on.
Mcc has problems to center the beam!
07:30- Beam centered, running again.
07:43- Move to Carbon target, 40 uA, raster off.
07:55- Cycling quads.
- Joe started1 ep Measurement, 5 uA.
08:05- Moving hadron Spectrometer to 68 deg.
- Acces to the Hall to move electron spectrometer to 13 deg.
- Goes to the next shift....
Run Summary:
************
2068: Carbon run.
2069: 15 cm dummy target.
2070: Junk.
2071: Hydrogen run.
2072: Hydrogen run, Theta_L=38.73 deg.
2073: Carbon Multifoil run.
2074: 15 cm Dummy run.
2075: Carbon run
2076: Carbon run, Theta_L=29.5 deg.
2077: 15 cm dummy target.
2078: Test run, for scalers adjustment.
Current Scan runs:
***************
2079: Hydrogen run, 30 uA.
2080: Hydrogen run, 20 uA.
2081: Hydrogen run, 10 uA.
2082: Hydrogen run, 6 uA.
2083: Cosmic run, but we suspect beam in it for few seconds.
2084: Carbon run, 5uA.
***Finish with testing target***.
2085: Hydrogen run, 10 uA.
2086: Hydrogen short run,10 uA.
2087: test run.
2088: 15 cm dummy run, 30 uA.
2089: Carbon run, 40 uA.
Goes to the next Shift...