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Run Plan for e94004
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Harp scan with unrastered beam to determine beam width.
Take a data run (PS4=1) so BPM info is stored.
-
Setup for 1H(e,e'p) elastic scattering for calibration.
For 10uA expect rate of 2200/sec .
Raster 1x1mm.
Run with current so deadtime is less than 20%.
Run trigsetup on adaqh2.
Want 10,000 good elastic events.
Use 6msr collimators for both arms.
Hadron spectrometer
Angle = -58.73 Momentum =
0.890 GeV/c
Electron spectrometer
Angle = 16.00
Momentum = 2.760 GeV/c
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Setup for 1H(e,e'p) elastic scattering for measuring q-vector.
Spectrometers settings stay the same except
Use 6msr collimator for hadron arm and sieve for electron
arm.
Using the sieve expect low rates so need maximum current.
Need at least 10,000 events good coincidences in central
hole.
-
Setup for 1H(e,e'p) elastic scattering for another check
of q-vector.
Spectrometers settings stay the same except
Use 6msr collimator for electron arm and sieve for
hadron arm.
Using the sieve expect low rates so need maximum current.
Need at least 10,000 events good coincidences in central hole.
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Insert 15cm dummy target. Run in 1H(e,e'p) elastic kinematics
Want 6msr collimator for both arms.
Run for 30 minutes.
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Insert 4cm dummy target. Run in 1H(e,e'p) elastic kinematics
Want 6msr collimator for both arms.
No raster.
Would like 1000 counts in y-target spectra.
-
Insert 12C target for y target study.Run in 1H(e,e'p) elastic
kinematics
Want 6msr collimator for both arms.
No raster.
Prescale PS1 = PS3 = 1 . Would like
1000 counts in y-target spectra.
-
Insert 12C target for pointing study. No raster. Run in 1H(e,e'p)
elastic kinematics
Set electron arm collimator to sieve and hadron arm collimator
to 6msr.
Would like 1000 counts in central sieve hole.
-
Harp scan. No raster. Take a data run (PS4=1) so BPM info
is stored.
-
Setup for 2H(e,e'p) , recoil momentum = 0.
Insert 15cm deuterium target.
Raster 1x1mm. Run trigsetup on adaqh2.
Hadron spectrometer
Angle = -58.73 Momentum =
0.890 GeV/c
Electron spectrometer
Angle = 16.00
Momentum = 2.760 GeV/c
At 10uA expect rate of 1300/sec .
In setting prescale want to use electron singles as luminousity
monitor so
after T5 want highest rate of T1 consistent with less
than 20% deadtime.
Need at least 100,000 good events between 0.95 < Q2/2Mw
< 1.05 .
Minimum run time of 30 minutes.
Run with current so deadtime is less than 20%.
Use 6msr collimators for both arms.
-
Insert 12C target for y target study.
Want 6msr collimator for both arms.
No raster. Prescale PS1 = PS3 = 1 .
Would like 1000 counts in y-target spectra.
-
Harp scan. No raster. Take a data run (PS4=1) so BPM info
is stored.
-
Setup for 2H(e,e'p) , recoil momentum = 100.
Insert 15cm deuterium target. Run trigsetup
on adaqh2.
Hadron spectrometer
Angle = -65.18 Momentum =
0.879 GeV/c
Electron spectrometer
Angle = 16.00
Momentum = 2.760 GeV/c
At 100uA expect rate of 1600/sec .
Need at least 10,000 good events between 0.95 < Q2/2Mw
< 1.05 .
Minimum runtime of 30 minutes
Run with current so deadtime is less than 20%.
Use 6msr collimators for both arms.
-
Insert 12C target for y target study.
Want 6msr collimator for both arms.
No raster. Prescale PS1 = PS3 = 1 .
Would like 1000 counts in y-target spectra.
-
Harp scan. No raster. Take a data run (PS4=1) so BPM info
is stored.
-
Setup for 2H(e,e'p) , recoil momentum = 200.
Insert 15cm deuterium target. Run trigsetup
on adaqh2.
Hadron spectrometer
Angle = -71.70 Momentum =
0.856 GeV/c
Electron spectrometer
Angle = 16.00
Momentum = 2.760 GeV/c
At 100uA expect rate of 130/sec .
Need at least 10,000 good events between 0.95 < Q2/2Mw
< 1.05 .
Run with current so deadtime is less than 20%.
Use 6msr collimators for both arms.
-
Insert 12C target for y target study.
Want 6msr collimator for both arms.
No raster. Prescale PS1 = PS3 = 1 .
Would like 1000 counts in y-target spectra.
-
Harp scan. No raster. Take a data run (PS4=1) so BPM info
is stored.
-
Setup for 2H(e,e'p) , recoil momentum = 300.
Insert 15cm deuterium target. Run trigsetup on
adaqh2.
Hadron spectrometer
Angle = -78.38 Momentum =
0.817 GeV/c
Electron spectrometer
Angle = 16.00
Momentum = 2.760 GeV/c
At 100uA expect rate of 19/sec .
Need at least 10,000 good events between 0.95 < Q2/2Mw
< 1.05 .
Use 6msr collimators for both arms.
-
Insert 12C target for y target study.
Want 6msr collimator for both arms.
No raster. Prescale PS1 = PS3 = 1 .
Would like 1000 counts in y-target spectra.
-
Harp scan. No raster. Take a data run (PS4=1) so BPM info
is stored.
-
Setup for 2H(e,e'p) , recoil momentum = 400.
Insert 15cm deuterium target. Run trigsetup
on adaqh2.
Hadron spectrometer
Angle = -85.35 Momentum =
0.763 GeV/c
Electron spectrometer
Angle = 16.00
Momentum = 2.760 GeV/c
At 100uA expect rate of 3.3/sec .
Need at least 10,000 good events between 0.95 < Q2/2Mw
< 1.05 .
Use 6msr collimators for both arms.
-
Insert 12C target for y target study.
Want 6msr collimator for both arms.
No raster. Prescale PS1 = PS3 = 1 .
Would like 1000 counts in y-target spectra.
-
Harp scan. No raster. Take a data run (PS4=1) so BPM info
is stored.
-
Need to call Ed Folts when moving to hadron arm angle of
-92.76.
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Setup for 2H(e,e'p) , recoil momentum = 500.
Insert 15cm deuterium target. Run trigsetup on adaqh2.
Hadron spectrometer
Angle = -92.76 Momentum =
0.693 GeV/c
Electron spectrometer
Angle = 16.00
Momentum = 2.760 GeV/c
At 100uA expect rate of 0.7/sec .
Need at least 10,000 good events between 0.95 < Q2/2Mw
< 1.05 .
Use 6msr collimators for both arms.
-
Insert 12C target for y target study.
Want 6msr collimator for both arms.
No raster. Prescale PS1 = PS3 = 1 .
Would like 1000 counts in y-target spectra.
-
Harp scan. No raster. Take a data run (PS4=1) so BPM info
is stored.
-
Setup for boiling tests on deuterium.
Study with single arm electron spectrometer at
angle of ? and momentum of ? .
Take measurements at 20, 50, 75uA and maximum current.
Would like 100,000 good events per setting.
-
Harp scan with unrastered beam to determine beam width.
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Arc energy measurement on Monday.
-
Setup for white spectrum
-
Do BCM calibration with Unser.
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Setup for boiling tests on hydrogen.
Study with single arm electron spectrometer at
angle of ? and momentum of ? .
Take measurements at 3 currents.
Would like 100,000 good events per setting.