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Measurement E151M237

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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 : 0.0245 GeV2
W : 1265 GeV
ε : 0.9324
Ebeam : 1.3383 GeV
εL: 0.1449 

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
0.15 42 0.4909 0.4245 0.0455
0.25 30 1.8899 1.8899 0.1177
0.25 42 0.4748 0.5688 0.0414
0.25 54 -0.6588 0.5621 0.0497
0.35 30 0.7653 0.9342 0.055
0.35 42 0.8513 0.7663 0.0594
0.45 42 -0.4882 0.6511 0.042
0.45 270 0.5811 0.8745 0.0461
0.45 282 1.7184 1.7184 0.1077
0.55 234 0.3356 0.7524 0.0362
0.55 246 0.0836 0.5276 0.0304
0.55 258 -0.0292 0.4243 0.0301
0.55 270 -0.7899 0.3584 0.0562
0.55 282 0.2544 0.7251 0.0337
0.65 138 -0.6382 0.6461 0.0488
0.65 222 -0.2978 0.7307 0.035
0.65 234 0.6025 0.5682 0.0471
0.65 246 -0.4011 0.3149 0.0385
0.65 258 0.2236 0.4029 0.0329
0.65 270 -0.0786 0.4124 0.0304
0.65 282 1.798 1.798 0.1124
0.75 126 0.055 0.6467 0.0302
0.75 138 -0.2103 0.4443 0.0326
0.75 150 -0.5699 0.3914 0.0456
0.75 162 -0.3961 0.4435 0.0383
0.75 174 1.8324 0.8765 0.1144
0.75 186 -0.8078 0.4107 0.0571
0.75 198 0.6026 0.7582 0.0471
0.75 210 -0.5088 0.5021 0.0429
0.75 222 0.5735 0.6354 0.0457
0.75 234 1.0082 0.513 0.0677
0.75 246 -0.2467 0.3561 0.0335
0.75 258 0.123 0.3638 0.0309
0.75 270 -0.3567 0.3575 0.0369
0.75 282 -0.502 0.4205 0.0426
0.85 126 1.3794 0.8062 0.0883
0.85 138 -0.3149 0.4996 0.0355
0.85 150 0.4289 0.6753 0.0396
0.85 162 -0.1604 0.5403 0.0315
0.85 174 0.9912 0.7011 0.0668
0.85 186 -1.2914 0.3024 0.0834
0.85 198 -0.7468 0.4012 0.0541
0.85 210 -0.5504 0.5708 0.0447
0.85 222 -0.6331 0.3563 0.0485
0.85 234 -0.2372 0.3641 0.0332
0.85 246 -0.065 0.3381 0.0303
0.85 258 -0.3656 0.2898 0.0372
0.85 270 0.6597 0.4737 0.0498
0.15 54 -0.2297 0.4702 0.0332
0.25 30 -0.5834 0.4605 0.047
0.25 42 0.4093 0.4132 0.0393
0.25 54 0.2611 0.408 0.0341
0.35 30 -0.085 0.5069 0.0305
0.35 42 0.3028 0.378 0.0354
0.35 54 0.3347 0.4719 0.0365
0.45 30 -0.0024 0.4891 0.03
0.45 42 1.1428 0.4442 0.0769
0.45 258 0.1822 0.5289 0.0321
0.45 270 0.3068 0.5021 0.0355
0.55 246 0.2805 0.3872 0.0347
0.55 258 -0.0698 0.3217 0.0303
0.55 270 -0.458 0.2887 0.0413
0.65 126 0.4798 0.5644 0.0422
0.65 138 0.5148 0.4841 0.0438
0.65 150 -0.0439 0.5208 0.0301
0.65 222 0.2188 0.4487 0.0329
0.65 234 0.1606 0.3193 0.0316
0.65 246 -0.0533 0.2863 0.0302
0.65 258 -0.1804 0.2285 0.032
0.65 270 0.0463 0.2744 0.0301
0.75 126 -0.8047 0.3334 0.0582
0.75 138 -0.0613 0.2978 0.0302
0.75 150 -0.1941 0.3708 0.0323
0.75 162 0.3733 0.3908 0.0379
0.75 174 0.0063 0.429 0.03
0.75 186 -0.145 0.4169 0.0313
0.75 198 0.4349 0.5434 0.0403
0.75 210 -0.3399 0.4984 0.0366
0.75 222 -0.2155 0.326 0.0328
0.75 234 -0.2041 0.3085 0.0326
0.75 246 0.2195 0.2603 0.0329
0.75 258 0.0236 0.241 0.03
0.75 270 -0.0664 0.2745 0.0303
0.75 282 -0.3816 0.3841 0.0382
0.85 126 0.0044 0.3937 0.03
0.85 138 -0.0178 0.3384 0.03
0.85 150 0.0987 0.3449 0.0306
0.85 162 0.2786 0.3632 0.0346
0.85 174 0.013 0.3485 0.03
0.85 186 0.5847 0.3952 0.047
0.85 198 -0.0669 0.4489 0.0303
0.85 210 0.4187 0.4651 0.0396
0.85 222 0.0314 0.3261 0.0301
0.85 234 -0.0746 0.2651 0.0304
0.85 246 -0.4287 0.2455 0.0401
0.85 258 0.2984 0.2459 0.0352
0.85 270 0.0132 0.2681 0.03