Elastic Electron Scattering off 3He and 4He at Large Momentum Transfers
Jefferson Lab Hall A Halog Wiki
E04-018
Elastic Electron Scattering off 3He and 4He at Large Momentum Transfers (E04-018)
 
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  • 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 3He ELASTIC
    #: Q2 [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 4He ELASTIC
    #: Q2 [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
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Maintained by E. Khrosinkova
Updated: 09-10-07