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Measurement E151M292

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0171 GeV2
W : 1355 GeV
ε : 0.8844
Ebeam : 1.3383 GeV
εL: 0.0564 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Data errors Systematic errors
0.35 42 1.1108 0.5896 0.075
0.45 30 -0.6085 0.5584 0.0482
0.55 30 0.203 0.6294 0.0325
0.55 42 -0.0465 0.5911 0.0301
0.55 222 0.0511 0.5393 0.0302
0.55 234 0.1467 0.5286 0.0313
0.55 246 -0.2324 0.4794 0.0333
0.55 258 -0.2744 0.481 0.0345
0.65 126 -0.5696 0.5152 0.0463
0.65 138 -0.6476 0.452 0.0501
0.65 150 -0.7649 0.5754 0.0561
0.65 162 -1.3065 0.4722 0.0863
0.65 210 -0.7696 0.5586 0.0563
0.65 222 -0.0666 0.3763 0.0303
0.65 234 -0.2418 0.3911 0.0335
0.65 246 -0.3866 0.3665 0.0384
0.65 258 -0.1673 0.4632 0.0317
0.75 126 1.0505 0.5128 0.0716
0.75 138 -0.696 0.4232 0.0525
0.75 150 0.1755 0.5307 0.0319
0.75 162 1.1629 0.4793 0.078
0.75 198 0.0386 0.6116 0.0301
0.75 210 -0.1404 0.5546 0.0312
0.75 222 -0.0386 0.4158 0.0301
0.75 234 0.1665 0.3695 0.0317
0.75 246 -0.1462 0.3479 0.0313
0.75 258 0.0539 0.4245 0.0302
0.85 114 -1.3142 0.5183 0.0867
0.85 162 -0.1455 0.6269 0.0313
0.85 210 -0.2107 0.5471 0.0327
0.85 222 0.2238 0.4265 0.033
0.85 234 0.1525 0.3935 0.0315
0.85 246 -0.1297 0.4381 0.0311
0.85 258 0.4401 0.4138 0.0405
0.25 42 0.7307 1.1506 0.0533
0.35 42 1.1811 0.8741 0.0772
0.45 30 -0.8371 0.6402 0.0587
0.45 42 0.3157 0.9529 0.0355
0.55 30 1.6046 1.3054 0.1012
0.55 126 -0.8417 0.7621 0.0589
0.55 138 -0.8544 0.6866 0.0596
0.55 222 -0.6792 0.5904 0.0507
0.55 234 0.1963 0.8915 0.0322
0.55 246 -1.0975 0.4105 0.0726
0.65 126 -0.4483 0.7309 0.0404
0.65 138 -0.0419 0.7529 0.0301
0.65 150 -0.0283 0.7492 0.03
0.65 162 2.1262 1.1208 0.1315
0.65 222 -0.1655 0.5779 0.0316
0.65 234 -0.3307 0.4702 0.036
0.65 246 1.3732 0.7435 0.088
0.65 258 0.8101 0.8315 0.0573
0.75 126 -0.6869 0.701 0.0511
0.75 138 0.0836 0.8307 0.0304
0.75 150 0.2841 0.7489 0.0345
0.75 162 0.4406 0.9514 0.04
0.75 210 1.8686 1.1079 0.1165
0.75 222 -0.09 0.6237 0.0305
0.75 234 -0.1829 0.5263 0.032
0.75 246 -0.0758 0.4952 0.0303
0.75 258 0.667 0.8418 0.0501
0.85 162 -0.1047 0.9082 0.0307
0.85 210 -0.7797 0.5426 0.0557
0.85 222 -0.5097 0.4455 0.0429
0.85 234 0.024 0.5528 0.03
0.85 246 0.3598 0.5513 0.037
0.85 258 -0.1924 0.5875 0.0322
0.85 270 -0.8544 0.6156 0.0596
0.95 222 -0.8548 0.4461 0.0596
0.95 234 -0.2788 0.6185 0.0344
0.95 246 0.6033 0.8705 0.0471