Difference between revisions of "E08-014 Run Plan"

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(→‎1st phase: Helium-4 and Deuterium running (starting April 19 at 4pm))
(→‎2nd phase: Helium-3 and Calcium running (Starting on April 29 at 5pm))
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Revision as of 15:38, 21 March 2011

Reconfiguration, Commissioning and Calibration 1st phase (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 (starting April 19 at 4pm)

The time listed in red is the total time needed. It should be divided by two if the kinematics point is taken simultaneously by the the two HRSs. 

Total time needed: 156.6 hours/2 = 78.3 hours per HRS (production) + 4.0 hours (optics) + 5.8 hours (35*10min for target motion) + 5 hours (10*30min for kinematics change) = 93 hours (3.9 PAC days = 7.8 calendar days).
We have only 6.6 calendar days till April 26 8am. Need to cut !!!


The 4He and 2H might not be ready for beam simultaneously. Therefore, the plan is to take data on 4He, then move to carbon. During the data taking on carbon, lower the cryo-load on 4He and prepare 2H for beam (it should take 5 min). Take data on 2H. Then on dummy and optics. Then switch kinematics and do the same thing in reverse order: Optics --> dummy --> 2H --> Carbon --> 4He. We will have to the cryo-load exercise only for 5 kinematics: 1, 2, 3.1, 4.1, 5.1.


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
optics

84
100
60
40
?

13
9
9
?
1

1.6
0.8
4.1
0.3
0.5
6.8 + 0.5
2 3.356 3.110 18.5 2N + 3N SRC 1.04-1.12 
4He
Carbon
2H
dummy
optics

84
100
60
40
?

1
1
2
?
1

2.1
0.8
3.7
0.4
0.5
7.0 + 0.5
3.1 3.356 2.905 21.0 2N SRC 1.25-1.34 
4He
Carbon
2H
dummy
optics

100
84
60
40
?

3
2
3
?
1

2.0
1.1
5.4
0.4
0.5
8.9 + 0.5
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
2.6
4.1 3.356 2.855 23.0 2N SRC 1.47-1.58 
4He
Carbon
2H
dummy
optics

84
100
60
40
?

1
1
1
1
1

1.7
1.4
4.4
0.3
0.5
7.8 + 0.5
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
5.1 3.356 2.795 25.0 2N SRC 1.70-1.82 
4He
Carbon
2H
dummy
optics

84
100
60
40
?

1
1
1
1
1

3.4
2.8
8.4
0.7
0.5
15.3 + 0.5
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
10.3
6 3.356 2.885 27.0 3N SRC 2.04-2.18 
4He
Carbon
dummy
optics

84
100
40
?

1
1
1
1

10.4
8.2
2.1
0.5
20.7 + 0.5
7 3.356 2.835 29.0 3N SRC 2.30-2.47 
4He
Carbon
dummy
optics

84
100
40
?

1
1
1
1

18.1
14.3
3.6
0.5
36.0 + 0.5
8 3.356 2.790 31.0 3N SRC 2.58-2.77 
4He
Carbon
dummy
optics

84
100
40
?

1
1
1
1

18.1
14.4
3.6
0.5
36.1 + 0.5

Target switch: 3 days down (Starting on April 26 at 8am)

Calibration 2nd phase (Starting on April 29 at 8am)

 - Boiling study on 3He (4 hours)
 - Rate-dependence tests (4 hours)
 - BCM calibration (1 hour)

2nd phase: Helium-3 and Calcium running (Starting on April 29 at 5pm)

The time listed is the total time needed. It should be divided by two if the kinematics point is taken simultaneously by the the two HRSs.

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 
3He
Carbon
Ca-40
Ca-48
dummy
optics

84
100
40
40
40
?

7
9
5
5
?
1

3.0
0.8
1.3
1.3
1.0
0.5
7.4 + 0.5
2 3.356 3.110 18.5 2N + 3N SRC 1.04-1.12 
3He
Carbon
Ca-40
Ca-48
dummy
optics

84
100
40
40
40
?

1
1
1
1
1
1

3.6
0.8
2.2
2.3
1.1
0.5
10 + 0.5
3.1 3.356 2.905 21.0 2N SRC 1.25-1.34 
3He
Carbon
Ca-40
Ca-48
dummy
optics

84
100
40
40
40
?

2
2
1
1
1
1

3.6
1.1
4.1
1.8
1.9
1.1
0.5
13.6 + 0.5
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

1
1
1
1
1

4.5
1.0
2.8
2.9
1.4
12.6
4.1 3.356 2.855 23.0 2N SRC 1.47-1.58 
3He
Carbon
Ca-40
Ca-48
dummy
optics

84
100
40
40
40
?

1
1
1
1
1
1

4.5
1.4
4.5
4.7
1.4
0.5
16.5 + 0.5
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

1
1
1
1
1

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
optics

84
100
40
40
40
?

1
1
1
1
1
1

9.0
2.8
8.9
9.4
2.7
0.5
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

1
1
1
1
1

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
optics

84
100
40
40
40
?

1
1
1
1
1
1

36.0
8.2
22.3
23.1
10.8
0.5
7 3.356 2.835 29.0 3N SRC 2.30-2.47 
3He
Carbon
Ca-40
Ca-48
dummy
optics

84
100
40
40
40
?

1
1
1
1
1
1

63.0
14.3
38.8
40.3
18.9
0.5
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
?

1
1
1
1
1
1

63.0
14.4
38.8
40.3
18.9
0.5
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