Elastic Electron Scattering off
3
He and
4
He at Large Momentum Transfers
Jefferson Lab
Hall A
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Elastic Electron Scattering off
3
He and
4
He at Large Momentum Transfers (E04-018)
 
Choose kinematics:
 
All runs
25fQ2, He3
25mQ2, He3
30fQ2, He3
30mQ2, He3
34fQ2, He3
34mQ2, He3
40fQ2, He3
45fQ2, He3
45mQ2, He3
50fQ2, He3
55fQ2, He3
61fQ2, He3
68fQ2, He3
68mQ2, He3
34bQ2, He3
40bQ2, He3
45bQ2, He3
55bQ2, He3
61bQ2, He3
68bQ2, He3
8fQ2, He4
10fQ2, He4
12fQ2, He4
14fQ2, He4
16fQ2, He4
18fQ2, He4
20fQ2, He4
21fQ2, He4
24fQ2, He4
29fQ2, He4
29bQ2, He4
34fQ2, He4
39fQ2, He4
45fQ2, He4
50fQ2, He4
55fQ2, He4
63fQ2, He4
68fQ2, He4
77fQ2, He4
 
  
Run Plan:
e-p ELASTIC CALIBRATION RUNS
#:
Beam Energy [GeV]
Scatered Electron Angle [deg]
Scatered Electron Energy [GeV]
Recoil Momentum [GeV/c]
Recoil Angle [deg]
Electron Rate[1hr 10uA]
Coincidence rate[1hr 10uA]
12
3.307
21.50
2.656
1.280
49.34
1.43E+07
3.14E+06
11
3.307
22.44
2.610
1.336
48.09
1.03E+07
2.66E+06
10
3.307
23.60
2.554
1.404
46.61
6.98E+06
2.05E+06
9
3.307
24.50
2.510
1.456
45.51
5.22E+06
1.72E+06
8
3.307
25.50
2.462
1.514
44.33
3.82E+06
1.40E+06
7
3.307
26.34
2.421
1.561
43.37
2.97E+06
1.22E+06
6
3.307
27.10
2.384
1.604
42.52
2.38E+06
1.06E+06
5
3.307
27.91
2.345
1.649
41.65
1.88E+06
9.26E+05
4
3.307
28.73
2.306
1.694
40.80
1.50E+06
8.06E+05
3
3.307
29.34
2.277
1.727
40.17
1.27E+06
7.35E+05
2
3.307
30.20
2.237
1.773
39.32
1.01E+06
6.31E+05
1
3.307
32.60
2.126
1.897
37.08
5.53E+05
4.21E+05
e
3
He ELASTIC
#:
Q
2
[fm
-2
]
Electron Energy [GeV]
Scatered Electron Energy [GeV]
Scatered Electron Angle [deg]
Recoil Momentum [GeV/c]
Recoil Angle [deg]
1
25f
0.8178
0.6350
84.700
0.9314
40.369
2
25b
0.6897
0.5176
110.001
0.8894
29.348
3
30f
3.3065
3.0511
19.399
1.0386
69.590
4
30b
0.6900
0.4727
140.000
0.9622
16.295
5
34f
3.3065
3.0252
20.729
1.1202
68.289
6
34b
0.8180
0.5715
113.028
1.1106
27.142
7
40f
3.3065
2.9840
22.649
1.2328
66.441
8
40b
0.8177
0.5279
139.521
1.2136
15.946
9
45f
3.3065
2.9500
24.194
1.3200
64.988
10
45b
0.8742
0.5510
140.650
1.2922
15.252
11
50f
3.3065
2.9242
25.650
1.4006
63.636
12
55f
3.3065
2.8890
27.119
1.4806
62.297
13
55b
0.9913
0.5964
140.299
1.4524
14.951
14
61f
3.3065
2.8490
28.792
1.5686
60.806
15
61b
1.0542
0.6198
140.500
1.5590
14.625
16
68f
4.4796
3.9530
21.973
1.6700
63.259
17
68m
4.1307
3.6220
23.962
1.6700
62.318
18
68b
3.3065
2.8032
30.648
1.6640
59.181
e
4
He ELASTIC
#:
Q
2
[fm
-2
]
Electron Energy [GeV]
Scatered Electron Energy [GeV]
Scatered Electron Angle [deg]
Recoil Momentum [GeV/c]
Recoil Angle [deg]
1
10f
2.0941
2.0757
17.600
1.0778
65.045
2
12f
2.0941
2.0260
19.101
0.8396
69.024
3
14f
2.0941
2.0150
20.851
1.1840
63.039
4
16f
2.0941
2.0050
22.301
1.0778
65.045
5
18f
2.0941
1.9940
23.750
1.1840
63.039
6
20f
2.0941
1.9650
25.000
1.0778
65.045
7
24f
2.0941
1.9440
27.600
0.8396
69.024
8
29f
4.0506
3.8610
15.350
0.9824
74.286
9
34f
2.0941
1.8950
33.197
1.0778
65.045
10
39f
2.0941
1.8670
36.099
1.1840
63.039
11
35f
4.0506
3.7810
19.243
1.2886
70.513
12
50f
4.0513
3.7550
20.400
1.3720
69.412
13
55f
4.0513
3.7280
21.5460
1.4544
68.328
14
63f
4.1308
3.7580
22.850
1.5744
66.932
15
68f
4.1307
3.7310
23.880
1.6436
65.981
16
77f
4.1307
3.6690
25.480
1.7520
64.522
Scatered electron energy at recoil momentum are for He actual spectrometer settings.
Hall A E04018 detector rate summary
Maintained by
E. Khrosinkova
Updated: 09-10-07