Difference between revisions of "E08-014 Run Plan"

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(→‎1st phase: Helium-4 and Deuterium running)
(→‎1st phase: Helium-4 and Deuterium running)
Line 20: Line 20:
 
! Q^2-range
 
! Q^2-range
 
! Target
 
! Target
−
! Beam current (uA)
+
! I (uA)
 
! prescale
 
! prescale
 
! time(hrs)
 
! time(hrs)

Revision as of 14:06, 21 March 2011

Reconfiguration and Commissioning

  • Starting on April 18 at 8am: 
 - Energy change: 4 pass --> 3 pass (8 hours)
 - Beam energy measurement (2 hours)
 - Change DAQ to two independent DAQs (10 hours)
 - Initial checkout (8 hours)
 - BCM calibration (1 hour)
 - Boiling study on 4He and deuterium (2x4 hours)
 - Rate-dependence tests (4 hours)

1st phase: Helium-4 and Deuterium running

Kin Ein [GeV] Po (GeV) Theta x-region Q^2-range Target I (uA) prescale time(hrs) total time
1 3.356 3.155 16 2N + 3N SRC 0.79-0.85 
4He
Carbon
2H
dummy

84
100
60
40

13
9
9
?

1.6
0.8
4.1
0.3
 ?
2 3.356 3.110 18.5 2N + 3N SRC 1.04-1.12 
4He
Carbon
2H
dummy

84
100
60
40

1
1
2
?

2.1
0.8
3.7
0.4
 ?
3.1 3.356 2.905 21.0 2N SRC 1.25-1.34 
4He
Carbon
2H
dummy

100
84
60
40

3
2
3
?

2.0
1.1
5.4
0.4
 ?
3.2 3.356 3.055 21.0 3N SRC 1.31-1.41 
4He
Carbon
dummy

84
100
40

1
1
1

1.3
1.0
0.3
 ?
4.1 3.356 2.855 23.0 2N SRC 1.47-1.58 
4He
Carbon
2H
dummy

84
100
60
40

1
1
1
1

1.7
1.4
4.4
0.3
 ?
4.2 3.356 3.035 23.0 3N SRC 1.56-1.68 
4He
Carbon
dummy

84
100
40

1
1
1

2.6
2.0
0.5
 ?
5.1 3.356 2.795 25.0 2N SRC 1.70-1.82 
4He
Carbon
2H
dummy

84
100
60
40

1
1
1
1

3.4
2.8
8.4
0.7
 ?
5.2 3.356 2.995 25.0 3N SRC 1.82-2.00 
4He
Carbon
dummy

84
100
40

1
1
1

5.2
4.1
1.0
 ?
6 3.356 2.885 27.0 3N SRC 2.04-2.18 
4He
Carbon
dummy

84
100
40

1
1
1

10.4
8.2
2.1
 ?
7 3.356 2.835 29.0 3N SRC 2.30-2.47 
4He
Carbon
dummy

84
100
40

1
1
1

18.1
14.3
3.6
 ?
8 3.356 2.790 31.0 3N SRC 2.58-2.77 
4He
Carbon
dummy

84
100
40

1
1
1

18.1
14.4
3.6
 ?

Target switch: 3 days down

  • Starting on April ? at 8am: 
 - Boiling study on 3He (4 hours)
 - Rate-dependence tests (4 hours)
 - BCM calibration (1hour)

2nd phase: Helium-3 and Calcium running

Kin Ein [GeV] Po (GeV) Theta x-region Q^2-range Target Beam current (uA) time(hrs) total time
1 3.356 3.155 16 2N + 3N SRC 0.79-0.85 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

3.0
0.8
1.3
1.3
1.0
 ?
2 3.356 3.110 18.5 2N + 3N SRC 1.04-1.12 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

3.6
0.8
2.2
2.3
1.1
 ?
3.1 3.356 2.905 21.0 2N SRC 1.25-1.34 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

3.6
1.1
4.1
1.8
1.9
1.1
 ?
3.2 3.356 3.055 21.0 3N SRC 1.31-1.41 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

4.5
1.0
2.8
2.9
1.4
 ?
4.1 3.356 2.855 23.0 2N SRC 1.47-1.58 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

4.5
1.4
4.5
4.7
1.4
 ?
4.2 3.356 3.035 23.0 3N SRC 1.56-1.68 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

9.0
2.0
5.5
5.7
2.7
 ?
5.1 3.356 2.795 25.0 2N SRC 1.70-1.82 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

9.0
2.8
8.9
9.4
2.7
 ?
5.2 3.356 2.995 25.0 3N SRC 1.82-2.00 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

18.0
4.1
11.1
11.6
5.4
 ?
6 3.356 2.885 27.0 3N SRC 2.04-2.18 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

36.0
8.2
22.3
23.1
10.8
 ?
7 3.356 2.835 29.0 3N SRC 2.30-2.47 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

63.0
14.3
38.8
40.3
18.9
 ?
8 3.356 2.790 31.0 3N SRC 2.58-2.77 
3He
Carbon
Ca-40
Ca-48
dummy

84
100
40
40
40

63.0
14.4
38.8
40.3
18.9
 ?
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