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Measurement E151M390

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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 : 1505 GeV
ε : 0.7262
Ebeam : 1.3383 GeV
εL: 0.0315 

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 30 -0.1709 0.6961 0.0317
0.45 18 -0.1678 0.7591 0.0317
0.45 30 -0.2684 0.7698 0.0341
0.45 42 0.4861 0.8025 0.0419
0.45 138 -0.8282 0.6715 0.0582
0.45 210 3.2972 3.2972 0.2008
0.45 222 -0.7347 0.6231 0.0535
0.45 234 1.5742 1.1867 0.0994
0.45 246 -0.3386 0.7155 0.0363
0.55 30 -0.8486 0.4859 0.0593
0.55 42 0.1764 0.9183 0.0318
0.55 126 -1.5425 0.4289 0.0976
0.55 138 -1.3242 0.4356 0.0852
0.55 150 -0.3329 0.7993 0.0361
0.55 162 -1.0781 0.5606 0.0715
0.55 210 -0.0843 0.8826 0.0304
0.55 222 1.1507 0.7923 0.0755
0.55 234 0.3694 0.6693 0.0373
0.55 246 -0.6575 0.5598 0.0497
0.65 126 -1.3381 0.4818 0.086
0.65 138 -0.5527 0.639 0.0448
0.65 150 -0.4886 0.6945 0.042
0.65 162 -0.6388 0.6711 0.0488
0.65 198 1.1847 0.9899 0.0774
0.65 210 -0.0144 0.6256 0.03
0.65 222 1.7888 0.7691 0.1118
0.65 234 1.2075 0.7607 0.0787
0.65 246 0.4177 0.7416 0.0391
0.75 138 -0.9718 0.6289 0.0658
0.75 150 0.59 1.1227 0.0465
0.75 210 0.5233 0.865 0.0435
0.75 222 1.2509 0.7513 0.0811
0.75 234 0.6078 0.6453 0.0473
0.75 246 -0.7234 0.4881 0.0529
0.85 138 -0.5499 0.7408 0.0447
0.85 210 1.9811 1.9811 0.123
0.85 222 0.2767 0.6454 0.0343
0.85 234 -0.1877 0.5294 0.0321
0.85 246 1.1218 0.8885 0.0739
0.95 222 -0.4013 0.5969 0.0385
0.95 234 0.1771 0.7186 0.0318
0.35 42 0.7815 0.5757 0.0569
0.45 18 -0.4363 0.542 0.0404
0.45 30 0.6654 0.5025 0.051
0.45 42 0.1252 0.5602 0.031
0.45 138 -0.2361 0.6307 0.0334
0.45 150 -0.5905 0.5759 0.0473
0.45 210 1.5269 0.5868 0.0992
0.45 222 0.0306 0.4954 0.0301
0.45 234 0.3223 0.5697 0.036
0.55 30 -0.6709 0.4547 0.0512
0.55 42 1.5297 0.4791 0.0994
0.55 138 -0.3171 0.4897 0.0359
0.55 150 -0.9087 0.5642 0.0638
0.55 162 -0.8427 0.5796 0.0602
0.55 210 1.2229 0.5763 0.0814
0.55 222 -0.1078 0.49 0.0307
0.55 234 0.0865 0.4275 0.0305
0.55 246 0.8373 0.4954 0.0599
0.65 126 -0.3277 0.4721 0.0362
0.65 138 -0.0866 0.5051 0.0305
0.65 150 -0.5995 0.5016 0.0477
0.65 162 0.1445 0.605 0.0313
0.65 210 0.3632 0.5494 0.0375
0.65 222 0.0754 0.4643 0.0304
0.65 234 0.5774 0.4673 0.0467
0.65 246 -0.0281 0.5545 0.0301
0.75 138 -0.6008 0.4609 0.0478
0.75 210 0.5876 0.5228 0.0472
0.75 222 0.6114 0.5005 0.0483
0.75 234 0.4574 0.4302 0.0413
0.75 246 0.4831 0.4285 0.0424
0.85 126 -0.4027 0.5137 0.039
0.85 138 0.3948 0.5499 0.0387
0.85 210 0.764 0.5093 0.056
0.85 222 0.355 0.4484 0.0372
0.85 234 0.1308 0.4034 0.0311
0.85 246 0.3033 0.454 0.0354